Home / 1,298,307.38-1,791,631.17-725,351.85

Finding the Fourth Proportional to 1,298,307.38, 1,791,631.17 and 725,351.85

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Solution

The fourth proportional to 1,298,307.38, 1,791,631.17 and 725,351.85 is: 1,000,967.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,298,307.38 : 1,791,631.17 = 725,351.85 : x
  2. Step 2: Convert to fraction form
    1,298,307.38/1,791,631.17 = 725,351.85/x
  3. Step 3: Cross multiply
    1,298,307.38x = 1,791,631.17 × 725,351.85
  4. Step 4: Simplify right side
    1,298,307.38x = 1,299,562,983,677.16
  5. Step 5: Solve for x
    x = 1,299,562,983,677.16/1,298,307.38
  6. Step 6: Final answer
    x = 1,000,967.11

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.