Home / 1,448,672.40-2,175,082.20-818,816.40

Finding the Fourth Proportional to 1,448,672.40, 2,175,082.20 and 818,816.40

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Solution

The fourth proportional to 1,448,672.40, 2,175,082.20 and 818,816.40 is: 1,229,396.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,672.40 : 2,175,082.20 = 818,816.40 : x
  2. Step 2: Convert to fraction form
    1,448,672.40/2,175,082.20 = 818,816.40/x
  3. Step 3: Cross multiply
    1,448,672.40x = 2,175,082.20 × 818,816.40
  4. Step 4: Simplify right side
    1,448,672.40x = 1,780,992,976,708.08
  5. Step 5: Solve for x
    x = 1,780,992,976,708.08/1,448,672.40
  6. Step 6: Final answer
    x = 1,229,396.64

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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.