Home / 775,212.27-1,070,121.02-726,787.23

Finding the Fourth Proportional to 775,212.27, 1,070,121.02 and 726,787.23

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Solution

The fourth proportional to 775,212.27, 1,070,121.02 and 726,787.23 is: 1,003,273.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    775,212.27 : 1,070,121.02 = 726,787.23 : x
  2. Step 2: Convert to fraction form
    775,212.27/1,070,121.02 = 726,787.23/x
  3. Step 3: Cross multiply
    775,212.27x = 1,070,121.02 × 726,787.23
  4. Step 4: Simplify right side
    775,212.27x = 777,750,288,256.64
  5. Step 5: Solve for x
    x = 777,750,288,256.64/775,212.27
  6. Step 6: Final answer
    x = 1,003,273.97

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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.