Home / 1,145,694-1,581,058.56-629,481.18

Finding the Fourth Proportional to 1,145,694, 1,581,058.56 and 629,481.18

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Solution

The fourth proportional to 1,145,694, 1,581,058.56 and 629,481.18 is: 868,684.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,694 : 1,581,058.56 = 629,481.18 : x
  2. Step 2: Convert to fraction form
    1,145,694/1,581,058.56 = 629,481.18/x
  3. Step 3: Cross multiply
    1,145,694x = 1,581,058.56 × 629,481.18
  4. Step 4: Simplify right side
    1,145,694x = 995,246,607,997.90
  5. Step 5: Solve for x
    x = 995,246,607,997.90/1,145,694
  6. Step 6: Final answer
    x = 868,684.49

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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.