Home / 1,682,422.80-2,321,778.60-918,508.56

Finding the Fourth Proportional to 1,682,422.80, 2,321,778.60 and 918,508.56

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Solution

The fourth proportional to 1,682,422.80, 2,321,778.60 and 918,508.56 is: 1,267,561.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,682,422.80 : 2,321,778.60 = 918,508.56 : x
  2. Step 2: Convert to fraction form
    1,682,422.80/2,321,778.60 = 918,508.56/x
  3. Step 3: Cross multiply
    1,682,422.80x = 2,321,778.60 × 918,508.56
  4. Step 4: Simplify right side
    1,682,422.80x = 2,132,573,518,524.82
  5. Step 5: Solve for x
    x = 2,132,573,518,524.82/1,682,422.80
  6. Step 6: Final answer
    x = 1,267,561.00

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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.