Home / 1,138,267.92-1,570,969.97-724,672.61

Finding the Fourth Proportional to 1,138,267.92, 1,570,969.97 and 724,672.61

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Solution

The fourth proportional to 1,138,267.92, 1,570,969.97 and 724,672.61 is: 1,000,150.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,138,267.92 : 1,570,969.97 = 724,672.61 : x
  2. Step 2: Convert to fraction form
    1,138,267.92/1,570,969.97 = 724,672.61/x
  3. Step 3: Cross multiply
    1,138,267.92x = 1,570,969.97 × 724,672.61
  4. Step 4: Simplify right side
    1,138,267.92x = 1,138,438,896,913.31
  5. Step 5: Solve for x
    x = 1,138,438,896,913.31/1,138,267.92
  6. Step 6: Final answer
    x = 1,000,150.21

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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.