Home / 1,127,724.60-1,691,325.09-672,442.97

Finding the Fourth Proportional to 1,127,724.60, 1,691,325.09 and 672,442.97

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Solution

The fourth proportional to 1,127,724.60, 1,691,325.09 and 672,442.97 is: 1,008,508.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,127,724.60 : 1,691,325.09 = 672,442.97 : x
  2. Step 2: Convert to fraction form
    1,127,724.60/1,691,325.09 = 672,442.97/x
  3. Step 3: Cross multiply
    1,127,724.60x = 1,691,325.09 × 672,442.97
  4. Step 4: Simplify right side
    1,127,724.60x = 1,137,319,661,135.39
  5. Step 5: Solve for x
    x = 1,137,319,661,135.39/1,127,724.60
  6. Step 6: Final answer
    x = 1,008,508.34

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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.