Home / 1,332,913.38-1,839,414.96-721,064.70

Finding the Fourth Proportional to 1,332,913.38, 1,839,414.96 and 721,064.70

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Solution

The fourth proportional to 1,332,913.38, 1,839,414.96 and 721,064.70 is: 995,066.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,332,913.38 : 1,839,414.96 = 721,064.70 : x
  2. Step 2: Convert to fraction form
    1,332,913.38/1,839,414.96 = 721,064.70/x
  3. Step 3: Cross multiply
    1,332,913.38x = 1,839,414.96 × 721,064.70
  4. Step 4: Simplify right side
    1,332,913.38x = 1,326,337,196,307.91
  5. Step 5: Solve for x
    x = 1,326,337,196,307.91/1,332,913.38
  6. Step 6: Final answer
    x = 995,066.31

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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.