Home / 1,244,722.64-1,718,098.04-728,597.26

Finding the Fourth Proportional to 1,244,722.64, 1,718,098.04 and 728,597.26

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Solution

The fourth proportional to 1,244,722.64, 1,718,098.04 and 728,597.26 is: 1,005,687.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,244,722.64 : 1,718,098.04 = 728,597.26 : x
  2. Step 2: Convert to fraction form
    1,244,722.64/1,718,098.04 = 728,597.26/x
  3. Step 3: Cross multiply
    1,244,722.64x = 1,718,098.04 × 728,597.26
  4. Step 4: Simplify right side
    1,244,722.64x = 1,251,801,512,121.89
  5. Step 5: Solve for x
    x = 1,251,801,512,121.89/1,244,722.64
  6. Step 6: Final answer
    x = 1,005,687.11

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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.