Home / 1,031,572.20-1,547,358.30-653,658.60

Finding the Fourth Proportional to 1,031,572.20, 1,547,358.30 and 653,658.60

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Solution

The fourth proportional to 1,031,572.20, 1,547,358.30 and 653,658.60 is: 980,487.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,031,572.20 : 1,547,358.30 = 653,658.60 : x
  2. Step 2: Convert to fraction form
    1,031,572.20/1,547,358.30 = 653,658.60/x
  3. Step 3: Cross multiply
    1,031,572.20x = 1,547,358.30 × 653,658.60
  4. Step 4: Simplify right side
    1,031,572.20x = 1,011,444,060,076.38
  5. Step 5: Solve for x
    x = 1,011,444,060,076.38/1,031,572.20
  6. Step 6: Final answer
    x = 980,487.90

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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.