Home / 1,375,572.52-2,062,695.12-576,639.55

Finding the Fourth Proportional to 1,375,572.52, 2,062,695.12 and 576,639.55

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Solution

The fourth proportional to 1,375,572.52, 2,062,695.12 and 576,639.55 is: 864,681.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,572.52 : 2,062,695.12 = 576,639.55 : x
  2. Step 2: Convert to fraction form
    1,375,572.52/2,062,695.12 = 576,639.55/x
  3. Step 3: Cross multiply
    1,375,572.52x = 2,062,695.12 × 576,639.55
  4. Step 4: Simplify right side
    1,375,572.52x = 1,189,431,575,470.52
  5. Step 5: Solve for x
    x = 1,189,431,575,470.52/1,375,572.52
  6. Step 6: Final answer
    x = 864,681.11

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.