Home / 1,217,769.29-1,680,524.88-673,942.58

Finding the Fourth Proportional to 1,217,769.29, 1,680,524.88 and 673,942.58

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Solution

The fourth proportional to 1,217,769.29, 1,680,524.88 and 673,942.58 is: 930,042.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,769.29 : 1,680,524.88 = 673,942.58 : x
  2. Step 2: Convert to fraction form
    1,217,769.29/1,680,524.88 = 673,942.58/x
  3. Step 3: Cross multiply
    1,217,769.29x = 1,680,524.88 × 673,942.58
  4. Step 4: Simplify right side
    1,217,769.29x = 1,132,577,268,753.45
  5. Step 5: Solve for x
    x = 1,132,577,268,753.45/1,217,769.29
  6. Step 6: Final answer
    x = 930,042.56

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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.