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Finding the Fourth Proportional to 1,229,048, 1,696,086.24 and 663,800

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Solution

The fourth proportional to 1,229,048, 1,696,086.24 and 663,800 is: 916,044

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,048 : 1,696,086.24 = 663,800 : x
  2. Step 2: Convert to fraction form
    1,229,048/1,696,086.24 = 663,800/x
  3. Step 3: Cross multiply
    1,229,048x = 1,696,086.24 × 663,800
  4. Step 4: Simplify right side
    1,229,048x = 1,125,862,046,112
  5. Step 5: Solve for x
    x = 1,125,862,046,112/1,229,048
  6. Step 6: Final answer
    x = 916,044

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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.