Home / 972,591.72-1,342,132.38-542,862.42

Finding the Fourth Proportional to 972,591.72, 1,342,132.38 and 542,862.42

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Solution

The fourth proportional to 972,591.72, 1,342,132.38 and 542,862.42 is: 749,125.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    972,591.72 : 1,342,132.38 = 542,862.42 : x
  2. Step 2: Convert to fraction form
    972,591.72/1,342,132.38 = 542,862.42/x
  3. Step 3: Cross multiply
    972,591.72x = 1,342,132.38 × 542,862.42
  4. Step 4: Simplify right side
    972,591.72x = 728,593,231,767.16
  5. Step 5: Solve for x
    x = 728,593,231,767.16/972,591.72
  6. Step 6: Final answer
    x = 749,125.47

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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.