Home / 1,465,839.30-2,198,700.92-612,690.60

Finding the Fourth Proportional to 1,465,839.30, 2,198,700.92 and 612,690.60

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Solution

The fourth proportional to 1,465,839.30, 2,198,700.92 and 612,690.60 is: 919,011.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,839.30 : 2,198,700.92 = 612,690.60 : x
  2. Step 2: Convert to fraction form
    1,465,839.30/2,198,700.92 = 612,690.60/x
  3. Step 3: Cross multiply
    1,465,839.30x = 2,198,700.92 × 612,690.60
  4. Step 4: Simplify right side
    1,465,839.30x = 1,347,123,382,831.90
  5. Step 5: Solve for x
    x = 1,347,123,382,831.90/1,465,839.30
  6. Step 6: Final answer
    x = 919,011.64

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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.