Home / 1,332,909.38-1,839,409.44-721,060.70

Finding the Fourth Proportional to 1,332,909.38, 1,839,409.44 and 721,060.70

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Solution

The fourth proportional to 1,332,909.38, 1,839,409.44 and 721,060.70 is: 995,060.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,909.38 : 1,839,409.44 = 721,060.70 : x
  2. Step 2: Convert to fraction form
    1,332,909.38/1,839,409.44 = 721,060.70/x
  3. Step 3: Cross multiply
    1,332,909.38x = 1,839,409.44 × 721,060.70
  4. Step 4: Simplify right side
    1,332,909.38x = 1,326,325,858,393.01
  5. Step 5: Solve for x
    x = 1,326,325,858,393.01/1,332,909.38
  6. Step 6: Final answer
    x = 995,060.79

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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.