Home / 1,502,327.38-2,073,194.13-813,985.78

Finding the Fourth Proportional to 1,502,327.38, 2,073,194.13 and 813,985.78

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Solution

The fourth proportional to 1,502,327.38, 2,073,194.13 and 813,985.78 is: 1,123,290.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,502,327.38 : 2,073,194.13 = 813,985.78 : x
  2. Step 2: Convert to fraction form
    1,502,327.38/2,073,194.13 = 813,985.78/x
  3. Step 3: Cross multiply
    1,502,327.38x = 2,073,194.13 × 813,985.78
  4. Step 4: Simplify right side
    1,502,327.38x = 1,687,550,540,999.47
  5. Step 5: Solve for x
    x = 1,687,550,540,999.47/1,502,327.38
  6. Step 6: Final answer
    x = 1,123,290.81

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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.