Home / 1,408,446.20-2,112,691.17-343,508.42

Finding the Fourth Proportional to 1,408,446.20, 2,112,691.17 and 343,508.42

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Solution

The fourth proportional to 1,408,446.20, 2,112,691.17 and 343,508.42 is: 515,267.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,408,446.20 : 2,112,691.17 = 343,508.42 : x
  2. Step 2: Convert to fraction form
    1,408,446.20/2,112,691.17 = 343,508.42/x
  3. Step 3: Cross multiply
    1,408,446.20x = 2,112,691.17 × 343,508.42
  4. Step 4: Simplify right side
    1,408,446.20x = 725,727,212,324.54
  5. Step 5: Solve for x
    x = 725,727,212,324.54/1,408,446.20
  6. Step 6: Final answer
    x = 515,267.97

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1.5x scale

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.