Home / 1,814,871.43-2,722,099.78-485,279.11

Finding the Fourth Proportional to 1,814,871.43, 2,722,099.78 and 485,279.11

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Solution

The fourth proportional to 1,814,871.43, 2,722,099.78 and 485,279.11 is: 727,863.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,871.43 : 2,722,099.78 = 485,279.11 : x
  2. Step 2: Convert to fraction form
    1,814,871.43/2,722,099.78 = 485,279.11/x
  3. Step 3: Cross multiply
    1,814,871.43x = 2,722,099.78 × 485,279.11
  4. Step 4: Simplify right side
    1,814,871.43x = 1,320,978,158,569.60
  5. Step 5: Solve for x
    x = 1,320,978,158,569.60/1,814,871.43
  6. Step 6: Final answer
    x = 727,863.22

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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.