Home / 1,515,540.14-2,091,296.49-836,432.90

Finding the Fourth Proportional to 1,515,540.14, 2,091,296.49 and 836,432.90

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Solution

The fourth proportional to 1,515,540.14, 2,091,296.49 and 836,432.90 is: 1,154,195.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,515,540.14 : 2,091,296.49 = 836,432.90 : x
  2. Step 2: Convert to fraction form
    1,515,540.14/2,091,296.49 = 836,432.90/x
  3. Step 3: Cross multiply
    1,515,540.14x = 2,091,296.49 × 836,432.90
  4. Step 4: Simplify right side
    1,515,540.14x = 1,749,229,187,890.52
  5. Step 5: Solve for x
    x = 1,749,229,187,890.52/1,515,540.14
  6. Step 6: Final answer
    x = 1,154,195.22

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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.