Home / 1,748,223.20-2,622,010.80-485,789.60

Finding the Fourth Proportional to 1,748,223.20, 2,622,010.80 and 485,789.60

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Solution

The fourth proportional to 1,748,223.20, 2,622,010.80 and 485,789.60 is: 728,594.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,748,223.20 : 2,622,010.80 = 485,789.60 : x
  2. Step 2: Convert to fraction form
    1,748,223.20/2,622,010.80 = 485,789.60/x
  3. Step 3: Cross multiply
    1,748,223.20x = 2,622,010.80 × 485,789.60
  4. Step 4: Simplify right side
    1,748,223.20x = 1,273,745,577,727.68
  5. Step 5: Solve for x
    x = 1,273,745,577,727.68/1,748,223.20
  6. Step 6: Final answer
    x = 728,594.37

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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.