Home / 1,375,209.56-2,063,236.80-656,468.48

Finding the Fourth Proportional to 1,375,209.56, 2,063,236.80 and 656,468.48

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Solution

The fourth proportional to 1,375,209.56, 2,063,236.80 and 656,468.48 is: 984,904.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,209.56 : 2,063,236.80 = 656,468.48 : x
  2. Step 2: Convert to fraction form
    1,375,209.56/2,063,236.80 = 656,468.48/x
  3. Step 3: Cross multiply
    1,375,209.56x = 2,063,236.80 × 656,468.48
  4. Step 4: Simplify right side
    1,375,209.56x = 1,354,449,925,976.06
  5. Step 5: Solve for x
    x = 1,354,449,925,976.06/1,375,209.56
  6. Step 6: Final answer
    x = 984,904.39

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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.