Home / 1,332,899.31-1,839,395.52-721,050.63

Finding the Fourth Proportional to 1,332,899.31, 1,839,395.52 and 721,050.63

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Solution

The fourth proportional to 1,332,899.31, 1,839,395.52 and 721,050.63 is: 995,046.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,899.31 : 1,839,395.52 = 721,050.63 : x
  2. Step 2: Convert to fraction form
    1,332,899.31/1,839,395.52 = 721,050.63/x
  3. Step 3: Cross multiply
    1,332,899.31x = 1,839,395.52 × 721,050.63
  4. Step 4: Simplify right side
    1,332,899.31x = 1,326,297,298,515.18
  5. Step 5: Solve for x
    x = 1,326,297,298,515.18/1,332,899.31
  6. Step 6: Final answer
    x = 995,046.88

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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.