Home / 1,109,475.20-1,660,000.80-736,227.20

Finding the Fourth Proportional to 1,109,475.20, 1,660,000.80 and 736,227.20

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Solution

The fourth proportional to 1,109,475.20, 1,660,000.80 and 736,227.20 is: 1,101,545.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,475.20 : 1,660,000.80 = 736,227.20 : x
  2. Step 2: Convert to fraction form
    1,109,475.20/1,660,000.80 = 736,227.20/x
  3. Step 3: Cross multiply
    1,109,475.20x = 1,660,000.80 × 736,227.20
  4. Step 4: Simplify right side
    1,109,475.20x = 1,222,137,740,981.76
  5. Step 5: Solve for x
    x = 1,222,137,740,981.76/1,109,475.20
  6. Step 6: Final answer
    x = 1,101,545.79

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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.