Home / 1,629,291.20-2,443,499.40-682,757.60

Finding the Fourth Proportional to 1,629,291.20, 2,443,499.40 and 682,757.60

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Solution

The fourth proportional to 1,629,291.20, 2,443,499.40 and 682,757.60 is: 1,023,953.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,291.20 : 2,443,499.40 = 682,757.60 : x
  2. Step 2: Convert to fraction form
    1,629,291.20/2,443,499.40 = 682,757.60/x
  3. Step 3: Cross multiply
    1,629,291.20x = 2,443,499.40 × 682,757.60
  4. Step 4: Simplify right side
    1,629,291.20x = 1,668,317,785,945.44
  5. Step 5: Solve for x
    x = 1,668,317,785,945.44/1,629,291.20
  6. Step 6: Final answer
    x = 1,023,953.11

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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.