Home / 1,270,531.32-1,752,833.16-726,374.76

Finding the Fourth Proportional to 1,270,531.32, 1,752,833.16 and 726,374.76

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Solution

The fourth proportional to 1,270,531.32, 1,752,833.16 and 726,374.76 is: 1,002,111.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,531.32 : 1,752,833.16 = 726,374.76 : x
  2. Step 2: Convert to fraction form
    1,270,531.32/1,752,833.16 = 726,374.76/x
  3. Step 3: Cross multiply
    1,270,531.32x = 1,752,833.16 × 726,374.76
  4. Step 4: Simplify right side
    1,270,531.32x = 1,273,213,765,915.04
  5. Step 5: Solve for x
    x = 1,273,213,765,915.04/1,270,531.32
  6. Step 6: Final answer
    x = 1,002,111.28

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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.