Home / 1,126,494.91-1,689,713.19-378,540.91

Finding the Fourth Proportional to 1,126,494.91, 1,689,713.19 and 378,540.91

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Solution

The fourth proportional to 1,126,494.91, 1,689,713.19 and 378,540.91 is: 567,801.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,494.91 : 1,689,713.19 = 378,540.91 : x
  2. Step 2: Convert to fraction form
    1,126,494.91/1,689,713.19 = 378,540.91/x
  3. Step 3: Cross multiply
    1,126,494.91x = 1,689,713.19 × 378,540.91
  4. Step 4: Simplify right side
    1,126,494.91x = 639,625,568,581.60
  5. Step 5: Solve for x
    x = 639,625,568,581.60/1,126,494.91
  6. Step 6: Final answer
    x = 567,801.56

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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.