Home / 1,151,254.20-1,726,881.30-729,276.60

Finding the Fourth Proportional to 1,151,254.20, 1,726,881.30 and 729,276.60

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Solution

The fourth proportional to 1,151,254.20, 1,726,881.30 and 729,276.60 is: 1,093,914.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,151,254.20 : 1,726,881.30 = 729,276.60 : x
  2. Step 2: Convert to fraction form
    1,151,254.20/1,726,881.30 = 729,276.60/x
  3. Step 3: Cross multiply
    1,151,254.20x = 1,726,881.30 × 729,276.60
  4. Step 4: Simplify right side
    1,151,254.20x = 1,259,374,123,067.58
  5. Step 5: Solve for x
    x = 1,259,374,123,067.58/1,151,254.20
  6. Step 6: Final answer
    x = 1,093,914.90

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.