Home / 1,369,439.10-2,055,843.45-863,999.10

Finding the Fourth Proportional to 1,369,439.10, 2,055,843.45 and 863,999.10

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Solution

The fourth proportional to 1,369,439.10, 2,055,843.45 and 863,999.10 is: 1,297,061.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,369,439.10 : 2,055,843.45 = 863,999.10 : x
  2. Step 2: Convert to fraction form
    1,369,439.10/2,055,843.45 = 863,999.10/x
  3. Step 3: Cross multiply
    1,369,439.10x = 2,055,843.45 × 863,999.10
  4. Step 4: Simplify right side
    1,369,439.10x = 1,776,246,890,540.90
  5. Step 5: Solve for x
    x = 1,776,246,890,540.90/1,369,439.10
  6. Step 6: Final answer
    x = 1,297,061.61

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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.