Home / 1,814,821.68-2,722,025.16-485,229.36

Finding the Fourth Proportional to 1,814,821.68, 2,722,025.16 and 485,229.36

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Solution

The fourth proportional to 1,814,821.68, 2,722,025.16 and 485,229.36 is: 727,788.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,821.68 : 2,722,025.16 = 485,229.36 : x
  2. Step 2: Convert to fraction form
    1,814,821.68/2,722,025.16 = 485,229.36/x
  3. Step 3: Cross multiply
    1,814,821.68x = 2,722,025.16 × 485,229.36
  4. Step 4: Simplify right side
    1,814,821.68x = 1,320,806,526,290.70
  5. Step 5: Solve for x
    x = 1,320,806,526,290.70/1,814,821.68
  6. Step 6: Final answer
    x = 727,788.60

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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.