Home / 1,098,402.28-1,515,013.38-1,008,049.96

Finding the Fourth Proportional to 1,098,402.28, 1,515,013.38 and 1,008,049.96

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Solution

The fourth proportional to 1,098,402.28, 1,515,013.38 and 1,008,049.96 is: 1,390,391.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,402.28 : 1,515,013.38 = 1,008,049.96 : x
  2. Step 2: Convert to fraction form
    1,098,402.28/1,515,013.38 = 1,008,049.96/x
  3. Step 3: Cross multiply
    1,098,402.28x = 1,515,013.38 × 1,008,049.96
  4. Step 4: Simplify right side
    1,098,402.28x = 1,527,209,177,108.46
  5. Step 5: Solve for x
    x = 1,527,209,177,108.46/1,098,402.28
  6. Step 6: Final answer
    x = 1,390,391.48

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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.