Home / 1,172,177.60-1,753,600.80-1,016,139.20

Finding the Fourth Proportional to 1,172,177.60, 1,753,600.80 and 1,016,139.20

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Solution

The fourth proportional to 1,172,177.60, 1,753,600.80 and 1,016,139.20 is: 1,520,164.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,177.60 : 1,753,600.80 = 1,016,139.20 : x
  2. Step 2: Convert to fraction form
    1,172,177.60/1,753,600.80 = 1,016,139.20/x
  3. Step 3: Cross multiply
    1,172,177.60x = 1,753,600.80 × 1,016,139.20
  4. Step 4: Simplify right side
    1,172,177.60x = 1,781,902,514,031.36
  5. Step 5: Solve for x
    x = 1,781,902,514,031.36/1,172,177.60
  6. Step 6: Final answer
    x = 1,520,164.28

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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.