Home / 1,145,422.20-1,718,133.30-960,180.60

Finding the Fourth Proportional to 1,145,422.20, 1,718,133.30 and 960,180.60

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Solution

The fourth proportional to 1,145,422.20, 1,718,133.30 and 960,180.60 is: 1,440,270.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,422.20 : 1,718,133.30 = 960,180.60 : x
  2. Step 2: Convert to fraction form
    1,145,422.20/1,718,133.30 = 960,180.60/x
  3. Step 3: Cross multiply
    1,145,422.20x = 1,718,133.30 × 960,180.60
  4. Step 4: Simplify right side
    1,145,422.20x = 1,649,718,262,873.98
  5. Step 5: Solve for x
    x = 1,649,718,262,873.98/1,145,422.20
  6. Step 6: Final answer
    x = 1,440,270.90

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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.