Home / 1,204,766.32-1,662,298.44-721,147.60

Finding the Fourth Proportional to 1,204,766.32, 1,662,298.44 and 721,147.60

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Solution

The fourth proportional to 1,204,766.32, 1,662,298.44 and 721,147.60 is: 995,016.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,204,766.32 : 1,662,298.44 = 721,147.60 : x
  2. Step 2: Convert to fraction form
    1,204,766.32/1,662,298.44 = 721,147.60/x
  3. Step 3: Cross multiply
    1,204,766.32x = 1,662,298.44 × 721,147.60
  4. Step 4: Simplify right side
    1,204,766.32x = 1,198,762,530,489.74
  5. Step 5: Solve for x
    x = 1,198,762,530,489.74/1,204,766.32
  6. Step 6: Final answer
    x = 995,016.64

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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.