Home / 1,002,843.72-1,383,916.21-543,957.14

Finding the Fourth Proportional to 1,002,843.72, 1,383,916.21 and 543,957.14

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Solution

The fourth proportional to 1,002,843.72, 1,383,916.21 and 543,957.14 is: 750,656.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,002,843.72 : 1,383,916.21 = 543,957.14 : x
  2. Step 2: Convert to fraction form
    1,002,843.72/1,383,916.21 = 543,957.14/x
  3. Step 3: Cross multiply
    1,002,843.72x = 1,383,916.21 × 543,957.14
  4. Step 4: Simplify right side
    1,002,843.72x = 752,791,105,691.14
  5. Step 5: Solve for x
    x = 752,791,105,691.14/1,002,843.72
  6. Step 6: Final answer
    x = 750,656.45

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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.