Home / 1,332,972.33-1,839,493.44-721,122.63

Finding the Fourth Proportional to 1,332,972.33, 1,839,493.44 and 721,122.63

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Solution

The fourth proportional to 1,332,972.33, 1,839,493.44 and 721,122.63 is: 995,144.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,972.33 : 1,839,493.44 = 721,122.63 : x
  2. Step 2: Convert to fraction form
    1,332,972.33/1,839,493.44 = 721,122.63/x
  3. Step 3: Cross multiply
    1,332,972.33x = 1,839,493.44 × 721,122.63
  4. Step 4: Simplify right side
    1,332,972.33x = 1,326,500,347,320.55
  5. Step 5: Solve for x
    x = 1,326,500,347,320.55/1,332,972.33
  6. Step 6: Final answer
    x = 995,144.70

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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.