Home / 1,375,162.60-2,062,739.04-428,533.96

Finding the Fourth Proportional to 1,375,162.60, 2,062,739.04 and 428,533.96

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Solution

The fourth proportional to 1,375,162.60, 2,062,739.04 and 428,533.96 is: 642,799.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,162.60 : 2,062,739.04 = 428,533.96 : x
  2. Step 2: Convert to fraction form
    1,375,162.60/2,062,739.04 = 428,533.96/x
  3. Step 3: Cross multiply
    1,375,162.60x = 2,062,739.04 × 428,533.96
  4. Step 4: Simplify right side
    1,375,162.60x = 883,953,729,257.80
  5. Step 5: Solve for x
    x = 883,953,729,257.80/1,375,162.60
  6. Step 6: Final answer
    x = 642,799.43

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