Home / 1,217,908.12-1,680,700.82-674,044.96

Finding the Fourth Proportional to 1,217,908.12, 1,680,700.82 and 674,044.96

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Solution

The fourth proportional to 1,217,908.12, 1,680,700.82 and 674,044.96 is: 930,175.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,908.12 : 1,680,700.82 = 674,044.96 : x
  2. Step 2: Convert to fraction form
    1,217,908.12/1,680,700.82 = 674,044.96/x
  3. Step 3: Cross multiply
    1,217,908.12x = 1,680,700.82 × 674,044.96
  4. Step 4: Simplify right side
    1,217,908.12x = 1,132,867,916,988.87
  5. Step 5: Solve for x
    x = 1,132,867,916,988.87/1,217,908.12
  6. Step 6: Final answer
    x = 930,175.19

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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.