Home / 1,179,630.67-1,627,874.79-663,384.41

Finding the Fourth Proportional to 1,179,630.67, 1,627,874.79 and 663,384.41

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Solution

The fourth proportional to 1,179,630.67, 1,627,874.79 and 663,384.41 is: 915,461.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,179,630.67 : 1,627,874.79 = 663,384.41 : x
  2. Step 2: Convert to fraction form
    1,179,630.67/1,627,874.79 = 663,384.41/x
  3. Step 3: Cross multiply
    1,179,630.67x = 1,627,874.79 × 663,384.41
  4. Step 4: Simplify right side
    1,179,630.67x = 1,079,906,753,614.40
  5. Step 5: Solve for x
    x = 1,079,906,753,614.40/1,179,630.67
  6. Step 6: Final answer
    x = 915,461.75

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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.