Home / 1,270,035.32-1,752,646.32-726,181.28

Finding the Fourth Proportional to 1,270,035.32, 1,752,646.32 and 726,181.28

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Solution

The fourth proportional to 1,270,035.32, 1,752,646.32 and 726,181.28 is: 1,002,128.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,035.32 : 1,752,646.32 = 726,181.28 : x
  2. Step 2: Convert to fraction form
    1,270,035.32/1,752,646.32 = 726,181.28/x
  3. Step 3: Cross multiply
    1,270,035.32x = 1,752,646.32 × 726,181.28
  4. Step 4: Simplify right side
    1,270,035.32x = 1,272,738,948,044.89
  5. Step 5: Solve for x
    x = 1,272,738,948,044.89/1,270,035.32
  6. Step 6: Final answer
    x = 1,002,128.78

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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.