Home / 1,331,068.38-1,836,874.38-727,456.38

Finding the Fourth Proportional to 1,331,068.38, 1,836,874.38 and 727,456.38

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Solution

The fourth proportional to 1,331,068.38, 1,836,874.38 and 727,456.38 is: 1,003,889.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,068.38 : 1,836,874.38 = 727,456.38 : x
  2. Step 2: Convert to fraction form
    1,331,068.38/1,836,874.38 = 727,456.38/x
  3. Step 3: Cross multiply
    1,331,068.38x = 1,836,874.38 × 727,456.38
  4. Step 4: Simplify right side
    1,331,068.38x = 1,336,245,986,989.54
  5. Step 5: Solve for x
    x = 1,336,245,986,989.54/1,331,068.38
  6. Step 6: Final answer
    x = 1,003,889.81

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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.