Home / 1,013,757.50-1,520,045.76-445,115.90

Finding the Fourth Proportional to 1,013,757.50, 1,520,045.76 and 445,115.90

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Solution

The fourth proportional to 1,013,757.50, 1,520,045.76 and 445,115.90 is: 667,414.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,757.50 : 1,520,045.76 = 445,115.90 : x
  2. Step 2: Convert to fraction form
    1,013,757.50/1,520,045.76 = 445,115.90/x
  3. Step 3: Cross multiply
    1,013,757.50x = 1,520,045.76 × 445,115.90
  4. Step 4: Simplify right side
    1,013,757.50x = 676,596,536,503.58
  5. Step 5: Solve for x
    x = 676,596,536,503.58/1,013,757.50
  6. Step 6: Final answer
    x = 667,414.58

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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.