Home / 1,253,064.55-1,729,230.76-680,104.57

Finding the Fourth Proportional to 1,253,064.55, 1,729,230.76 and 680,104.57

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Solution

The fourth proportional to 1,253,064.55, 1,729,230.76 and 680,104.57 is: 938,545.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,253,064.55 : 1,729,230.76 = 680,104.57 : x
  2. Step 2: Convert to fraction form
    1,253,064.55/1,729,230.76 = 680,104.57/x
  3. Step 3: Cross multiply
    1,253,064.55x = 1,729,230.76 × 680,104.57
  4. Step 4: Simplify right side
    1,253,064.55x = 1,176,057,751,495.58
  5. Step 5: Solve for x
    x = 1,176,057,751,495.58/1,253,064.55
  6. Step 6: Final answer
    x = 938,545.22

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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.