Home / 712,891.88-1,071,010.14-672,540.92

Finding the Fourth Proportional to 712,891.88, 1,071,010.14 and 672,540.92

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Solution

The fourth proportional to 712,891.88, 1,071,010.14 and 672,540.92 is: 1,010,389.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,891.88 : 1,071,010.14 = 672,540.92 : x
  2. Step 2: Convert to fraction form
    712,891.88/1,071,010.14 = 672,540.92/x
  3. Step 3: Cross multiply
    712,891.88x = 1,071,010.14 × 672,540.92
  4. Step 4: Simplify right side
    712,891.88x = 720,298,144,884.93
  5. Step 5: Solve for x
    x = 720,298,144,884.93/712,891.88
  6. Step 6: Final answer
    x = 1,010,389.04

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.