Home / 781,281.22-1,177,777.68-729,201.04

Finding the Fourth Proportional to 781,281.22, 1,177,777.68 and 729,201.04

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Solution

The fourth proportional to 781,281.22, 1,177,777.68 and 729,201.04 is: 1,099,267.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,281.22 : 1,177,777.68 = 729,201.04 : x
  2. Step 2: Convert to fraction form
    781,281.22/1,177,777.68 = 729,201.04/x
  3. Step 3: Cross multiply
    781,281.22x = 1,177,777.68 × 729,201.04
  4. Step 4: Simplify right side
    781,281.22x = 858,836,709,144.79
  5. Step 5: Solve for x
    x = 858,836,709,144.79/781,281.22
  6. Step 6: Final answer
    x = 1,099,267.06

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.