Home / 1,204,657.92-1,662,149.16-721,039.32

Finding the Fourth Proportional to 1,204,657.92, 1,662,149.16 and 721,039.32

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Solution

The fourth proportional to 1,204,657.92, 1,662,149.16 and 721,039.32 is: 994,867.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,657.92 : 1,662,149.16 = 721,039.32 : x
  2. Step 2: Convert to fraction form
    1,204,657.92/1,662,149.16 = 721,039.32/x
  3. Step 3: Cross multiply
    1,204,657.92x = 1,662,149.16 × 721,039.32
  4. Step 4: Simplify right side
    1,204,657.92x = 1,198,474,900,064.97
  5. Step 5: Solve for x
    x = 1,198,474,900,064.97/1,204,657.92
  6. Step 6: Final answer
    x = 994,867.41

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.