Home / 1,814,820.80-2,722,231.20-485,124.80

Finding the Fourth Proportional to 1,814,820.80, 2,722,231.20 and 485,124.80

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Solution

The fourth proportional to 1,814,820.80, 2,722,231.20 and 485,124.80 is: 727,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,814,820.80 : 2,722,231.20 = 485,124.80 : x
  2. Step 2: Convert to fraction form
    1,814,820.80/2,722,231.20 = 485,124.80/x
  3. Step 3: Cross multiply
    1,814,820.80x = 2,722,231.20 × 485,124.80
  4. Step 4: Simplify right side
    1,814,820.80x = 1,320,621,866,453.76
  5. Step 5: Solve for x
    x = 1,320,621,866,453.76/1,814,820.80
  6. Step 6: Final answer
    x = 727,687.20

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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.