Home / 1,217,696.47-1,680,658.82-734,340.31

Finding the Fourth Proportional to 1,217,696.47, 1,680,658.82 and 734,340.31

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Solution

The fourth proportional to 1,217,696.47, 1,680,658.82 and 734,340.31 is: 1,013,532.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,696.47 : 1,680,658.82 = 734,340.31 : x
  2. Step 2: Convert to fraction form
    1,217,696.47/1,680,658.82 = 734,340.31/x
  3. Step 3: Cross multiply
    1,217,696.47x = 1,680,658.82 × 734,340.31
  4. Step 4: Simplify right side
    1,217,696.47x = 1,234,175,515,211.33
  5. Step 5: Solve for x
    x = 1,234,175,515,211.33/1,217,696.47
  6. Step 6: Final answer
    x = 1,013,532.97

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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.