Home / 782,786-1,174,179-191,810

Finding the Fourth Proportional to 782,786, 1,174,179 and 191,810

Calculator

Solution

The fourth proportional to 782,786, 1,174,179 and 191,810 is: 287,715

Step by Step Solution

  1. Step 1: Write the proportion equation
    782,786 : 1,174,179 = 191,810 : x
  2. Step 2: Convert to fraction form
    782,786/1,174,179 = 191,810/x
  3. Step 3: Cross multiply
    782,786x = 1,174,179 × 191,810
  4. Step 4: Simplify right side
    782,786x = 225,219,273,990
  5. Step 5: Solve for x
    x = 225,219,273,990/782,786
  6. Step 6: Final answer
    x = 287,715

Related Problems

Find fourth proportional to 391,393, 587,089.50 and 95,905
Half scale
Find fourth proportional to 1,565,572, 2,348,358 and 383,620
Double scale
Find fourth proportional to 782,787, 1,174,180.50 and 191,811
Similar ratio
Find fourth proportional to 1,174,179, 1,761,268.50 and 287,715
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.