Home / 1,217,578.92-1,680,020.03-673,613.10

Finding the Fourth Proportional to 1,217,578.92, 1,680,020.03 and 673,613.10

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Solution

The fourth proportional to 1,217,578.92, 1,680,020.03 and 673,613.10 is: 929,453.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,578.92 : 1,680,020.03 = 673,613.10 : x
  2. Step 2: Convert to fraction form
    1,217,578.92/1,680,020.03 = 673,613.10/x
  3. Step 3: Cross multiply
    1,217,578.92x = 1,680,020.03 × 673,613.10
  4. Step 4: Simplify right side
    1,217,578.92x = 1,131,683,497,102.33
  5. Step 5: Solve for x
    x = 1,131,683,497,102.33/1,217,578.92
  6. Step 6: Final answer
    x = 929,453.92

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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.