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Finding the Fourth Proportional to 999,068, 1,498,207.52 and 399,917.48

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Solution

The fourth proportional to 999,068, 1,498,207.52 and 399,917.48 is: 599,718.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,068 : 1,498,207.52 = 399,917.48 : x
  2. Step 2: Convert to fraction form
    999,068/1,498,207.52 = 399,917.48/x
  3. Step 3: Cross multiply
    999,068x = 1,498,207.52 × 399,917.48
  4. Step 4: Simplify right side
    999,068x = 599,159,375,915.45
  5. Step 5: Solve for x
    x = 599,159,375,915.45/999,068
  6. Step 6: Final answer
    x = 599,718.31

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.