Home / 1,502,328.38-2,073,195.50-813,986.78

Finding the Fourth Proportional to 1,502,328.38, 2,073,195.50 and 813,986.78

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Solution

The fourth proportional to 1,502,328.38, 2,073,195.50 and 813,986.78 is: 1,123,292.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,328.38 : 2,073,195.50 = 813,986.78 : x
  2. Step 2: Convert to fraction form
    1,502,328.38/2,073,195.50 = 813,986.78/x
  3. Step 3: Cross multiply
    1,502,328.38x = 2,073,195.50 × 813,986.78
  4. Step 4: Simplify right side
    1,502,328.38x = 1,687,553,729,355.49
  5. Step 5: Solve for x
    x = 1,687,553,729,355.49/1,502,328.38
  6. Step 6: Final answer
    x = 1,123,292.19

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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.