Home / 1,217,769.47-1,680,525.14-673,942.76

Finding the Fourth Proportional to 1,217,769.47, 1,680,525.14 and 673,942.76

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Solution

The fourth proportional to 1,217,769.47, 1,680,525.14 and 673,942.76 is: 930,042.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,769.47 : 1,680,525.14 = 673,942.76 : x
  2. Step 2: Convert to fraction form
    1,217,769.47/1,680,525.14 = 673,942.76/x
  3. Step 3: Cross multiply
    1,217,769.47x = 1,680,525.14 × 673,942.76
  4. Step 4: Simplify right side
    1,217,769.47x = 1,132,577,756,987.16
  5. Step 5: Solve for x
    x = 1,132,577,756,987.16/1,217,769.47
  6. Step 6: Final answer
    x = 930,042.82

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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.