Home / 1,117,790.72-1,542,312-664,993.28

Finding the Fourth Proportional to 1,117,790.72, 1,542,312 and 664,993.28

Calculator

Solution

The fourth proportional to 1,117,790.72, 1,542,312 and 664,993.28 is: 917,548.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,790.72 : 1,542,312 = 664,993.28 : x
  2. Step 2: Convert to fraction form
    1,117,790.72/1,542,312 = 664,993.28/x
  3. Step 3: Cross multiply
    1,117,790.72x = 1,542,312 × 664,993.28
  4. Step 4: Simplify right side
    1,117,790.72x = 1,025,627,115,663.36
  5. Step 5: Solve for x
    x = 1,025,627,115,663.36/1,117,790.72
  6. Step 6: Final answer
    x = 917,548.43

Related Problems

Find fourth proportional to 558,895.36, 771,156 and 332,496.64
Half scale
Find fourth proportional to 2,235,581.44, 3,084,624 and 1,329,986.56
Double scale
Find fourth proportional to 1,117,791.72, 1,542,313.38 and 664,994.28
Similar ratio
Find fourth proportional to 1,676,686.08, 2,313,468 and 997,489.92
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.