Home / 1,098,658.20-1,647,479.70-499,595.16

Finding the Fourth Proportional to 1,098,658.20, 1,647,479.70 and 499,595.16

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Solution

The fourth proportional to 1,098,658.20, 1,647,479.70 and 499,595.16 is: 749,161.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,658.20 : 1,647,479.70 = 499,595.16 : x
  2. Step 2: Convert to fraction form
    1,098,658.20/1,647,479.70 = 499,595.16/x
  3. Step 3: Cross multiply
    1,098,658.20x = 1,647,479.70 × 499,595.16
  4. Step 4: Simplify right side
    1,098,658.20x = 823,072,884,318.25
  5. Step 5: Solve for x
    x = 823,072,884,318.25/1,098,658.20
  6. Step 6: Final answer
    x = 749,161.92

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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.