Home / 1,253,107.17-1,729,291.22-680,147.34

Finding the Fourth Proportional to 1,253,107.17, 1,729,291.22 and 680,147.34

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Solution

The fourth proportional to 1,253,107.17, 1,729,291.22 and 680,147.34 is: 938,605.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,107.17 : 1,729,291.22 = 680,147.34 : x
  2. Step 2: Convert to fraction form
    1,253,107.17/1,729,291.22 = 680,147.34/x
  3. Step 3: Cross multiply
    1,253,107.17x = 1,729,291.22 × 680,147.34
  4. Step 4: Simplify right side
    1,253,107.17x = 1,176,172,832,018.29
  5. Step 5: Solve for x
    x = 1,176,172,832,018.29/1,253,107.17
  6. Step 6: Final answer
    x = 938,605.14

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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.