Home / 1,375,844.20-2,062,016.70-664,340.20

Finding the Fourth Proportional to 1,375,844.20, 2,062,016.70 and 664,340.20

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Solution

The fourth proportional to 1,375,844.20, 2,062,016.70 and 664,340.20 is: 995,665.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,844.20 : 2,062,016.70 = 664,340.20 : x
  2. Step 2: Convert to fraction form
    1,375,844.20/2,062,016.70 = 664,340.20/x
  3. Step 3: Cross multiply
    1,375,844.20x = 2,062,016.70 × 664,340.20
  4. Step 4: Simplify right side
    1,375,844.20x = 1,369,880,586,881.34
  5. Step 5: Solve for x
    x = 1,369,880,586,881.34/1,375,844.20
  6. Step 6: Final answer
    x = 995,665.49

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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.