Home / 1,540,691.52-2,126,147.04-861,630.72

Finding the Fourth Proportional to 1,540,691.52, 2,126,147.04 and 861,630.72

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Solution

The fourth proportional to 1,540,691.52, 2,126,147.04 and 861,630.72 is: 1,189,046.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,540,691.52 : 2,126,147.04 = 861,630.72 : x
  2. Step 2: Convert to fraction form
    1,540,691.52/2,126,147.04 = 861,630.72/x
  3. Step 3: Cross multiply
    1,540,691.52x = 2,126,147.04 × 861,630.72
  4. Step 4: Simplify right side
    1,540,691.52x = 1,831,953,604,901.07
  5. Step 5: Solve for x
    x = 1,831,953,604,901.07/1,540,691.52
  6. Step 6: Final answer
    x = 1,189,046.33

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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.