Home / 1,517,221.20-2,275,831.80-1,330,597.20

Finding the Fourth Proportional to 1,517,221.20, 2,275,831.80 and 1,330,597.20

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Solution

The fourth proportional to 1,517,221.20, 2,275,831.80 and 1,330,597.20 is: 1,995,895.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,517,221.20 : 2,275,831.80 = 1,330,597.20 : x
  2. Step 2: Convert to fraction form
    1,517,221.20/2,275,831.80 = 1,330,597.20/x
  3. Step 3: Cross multiply
    1,517,221.20x = 2,275,831.80 × 1,330,597.20
  4. Step 4: Simplify right side
    1,517,221.20x = 3,028,215,420,750.96
  5. Step 5: Solve for x
    x = 3,028,215,420,750.96/1,517,221.20
  6. Step 6: Final answer
    x = 1,995,895.80

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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.