Home / 1,307,374.62-1,960,147.17-667,876.38

Finding the Fourth Proportional to 1,307,374.62, 1,960,147.17 and 667,876.38

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Solution

The fourth proportional to 1,307,374.62, 1,960,147.17 and 667,876.38 is: 1,001,347.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,307,374.62 : 1,960,147.17 = 667,876.38 : x
  2. Step 2: Convert to fraction form
    1,307,374.62/1,960,147.17 = 667,876.38/x
  3. Step 3: Cross multiply
    1,307,374.62x = 1,960,147.17 × 667,876.38
  4. Step 4: Simplify right side
    1,307,374.62x = 1,309,135,996,166.84
  5. Step 5: Solve for x
    x = 1,309,135,996,166.84/1,307,374.62
  6. Step 6: Final answer
    x = 1,001,347.26

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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.