Home / 1,375,161.60-2,062,737.54-428,532.96

Finding the Fourth Proportional to 1,375,161.60, 2,062,737.54 and 428,532.96

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Solution

The fourth proportional to 1,375,161.60, 2,062,737.54 and 428,532.96 is: 642,797.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,161.60 : 2,062,737.54 = 428,532.96 : x
  2. Step 2: Convert to fraction form
    1,375,161.60/2,062,737.54 = 428,532.96/x
  3. Step 3: Cross multiply
    1,375,161.60x = 2,062,737.54 × 428,532.96
  4. Step 4: Simplify right side
    1,375,161.60x = 883,951,023,719.32
  5. Step 5: Solve for x
    x = 883,951,023,719.32/1,375,161.60
  6. Step 6: Final answer
    x = 642,797.93

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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.