Home / 1,295,764.80-1,944,619.20-664,353.60

Finding the Fourth Proportional to 1,295,764.80, 1,944,619.20 and 664,353.60

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Solution

The fourth proportional to 1,295,764.80, 1,944,619.20 and 664,353.60 is: 997,028.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,295,764.80 : 1,944,619.20 = 664,353.60 : x
  2. Step 2: Convert to fraction form
    1,295,764.80/1,944,619.20 = 664,353.60/x
  3. Step 3: Cross multiply
    1,295,764.80x = 1,944,619.20 × 664,353.60
  4. Step 4: Simplify right side
    1,295,764.80x = 1,291,914,766,149.12
  5. Step 5: Solve for x
    x = 1,291,914,766,149.12/1,295,764.80
  6. Step 6: Final answer
    x = 997,028.76

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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.