Home / 1,519,172.46-2,278,419.71-454,076.15

Finding the Fourth Proportional to 1,519,172.46, 2,278,419.71 and 454,076.15

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Solution

The fourth proportional to 1,519,172.46, 2,278,419.71 and 454,076.15 is: 681,012.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,519,172.46 : 2,278,419.71 = 454,076.15 : x
  2. Step 2: Convert to fraction form
    1,519,172.46/2,278,419.71 = 454,076.15/x
  3. Step 3: Cross multiply
    1,519,172.46x = 2,278,419.71 × 454,076.15
  4. Step 4: Simplify right side
    1,519,172.46x = 1,034,576,036,338.44
  5. Step 5: Solve for x
    x = 1,034,576,036,338.44/1,519,172.46
  6. Step 6: Final answer
    x = 681,012.90

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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.