Home / 999,042.20-1,498,563.30-681,781.40

Finding the Fourth Proportional to 999,042.20, 1,498,563.30 and 681,781.40

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Solution

The fourth proportional to 999,042.20, 1,498,563.30 and 681,781.40 is: 1,022,672.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,042.20 : 1,498,563.30 = 681,781.40 : x
  2. Step 2: Convert to fraction form
    999,042.20/1,498,563.30 = 681,781.40/x
  3. Step 3: Cross multiply
    999,042.20x = 1,498,563.30 × 681,781.40
  4. Step 4: Simplify right side
    999,042.20x = 1,021,692,584,662.62
  5. Step 5: Solve for x
    x = 1,021,692,584,662.62/999,042.20
  6. Step 6: Final answer
    x = 1,022,672.10

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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.