Home / 1,207,572.76-1,811,248.08-408,763

Finding the Fourth Proportional to 1,207,572.76, 1,811,248.08 and 408,763

Calculator

Solution

The fourth proportional to 1,207,572.76, 1,811,248.08 and 408,763 is: 613,106.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,572.76 : 1,811,248.08 = 408,763 : x
  2. Step 2: Convert to fraction form
    1,207,572.76/1,811,248.08 = 408,763/x
  3. Step 3: Cross multiply
    1,207,572.76x = 1,811,248.08 × 408,763
  4. Step 4: Simplify right side
    1,207,572.76x = 740,371,198,925.04
  5. Step 5: Solve for x
    x = 740,371,198,925.04/1,207,572.76
  6. Step 6: Final answer
    x = 613,106.91

Related Problems

Find fourth proportional to 603,786.38, 905,624.04 and 204,381.50
Half scale
Find fourth proportional to 2,415,145.52, 3,622,496.16 and 817,526
Double scale
Find fourth proportional to 1,207,573.76, 1,811,249.58 and 408,764
Similar ratio
Find fourth proportional to 1,811,359.14, 2,716,872.12 and 613,144.50
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.