Home / 1,304,248.32-1,799,881.07-787,930.43

Finding the Fourth Proportional to 1,304,248.32, 1,799,881.07 and 787,930.43

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Solution

The fourth proportional to 1,304,248.32, 1,799,881.07 and 787,930.43 is: 1,087,355.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,304,248.32 : 1,799,881.07 = 787,930.43 : x
  2. Step 2: Convert to fraction form
    1,304,248.32/1,799,881.07 = 787,930.43/x
  3. Step 3: Cross multiply
    1,304,248.32x = 1,799,881.07 × 787,930.43
  4. Step 4: Simplify right side
    1,304,248.32x = 1,418,181,052,494.90
  5. Step 5: Solve for x
    x = 1,418,181,052,494.90/1,304,248.32
  6. Step 6: Final answer
    x = 1,087,355.09

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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.