Home / 1,332,287.92-1,838,511.84-759,512.72

Finding the Fourth Proportional to 1,332,287.92, 1,838,511.84 and 759,512.72

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Solution

The fourth proportional to 1,332,287.92, 1,838,511.84 and 759,512.72 is: 1,048,101.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,287.92 : 1,838,511.84 = 759,512.72 : x
  2. Step 2: Convert to fraction form
    1,332,287.92/1,838,511.84 = 759,512.72/x
  3. Step 3: Cross multiply
    1,332,287.92x = 1,838,511.84 × 759,512.72
  4. Step 4: Simplify right side
    1,332,287.92x = 1,396,373,128,350.60
  5. Step 5: Solve for x
    x = 1,396,373,128,350.60/1,332,287.92
  6. Step 6: Final answer
    x = 1,048,101.62

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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.