Home / 1,092,138.72-1,507,227.12-662,436.96

Finding the Fourth Proportional to 1,092,138.72, 1,507,227.12 and 662,436.96

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Solution

The fourth proportional to 1,092,138.72, 1,507,227.12 and 662,436.96 is: 914,208.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,092,138.72 : 1,507,227.12 = 662,436.96 : x
  2. Step 2: Convert to fraction form
    1,092,138.72/1,507,227.12 = 662,436.96/x
  3. Step 3: Cross multiply
    1,092,138.72x = 1,507,227.12 × 662,436.96
  4. Step 4: Simplify right side
    1,092,138.72x = 998,442,951,402.36
  5. Step 5: Solve for x
    x = 998,442,951,402.36/1,092,138.72
  6. Step 6: Final answer
    x = 914,208.91

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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.