Home / 1,147,775.40-1,719,694.80-547,443.90

Finding the Fourth Proportional to 1,147,775.40, 1,719,694.80 and 547,443.90

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Solution

The fourth proportional to 1,147,775.40, 1,719,694.80 and 547,443.90 is: 820,227.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,147,775.40 : 1,719,694.80 = 547,443.90 : x
  2. Step 2: Convert to fraction form
    1,147,775.40/1,719,694.80 = 547,443.90/x
  3. Step 3: Cross multiply
    1,147,775.40x = 1,719,694.80 × 547,443.90
  4. Step 4: Simplify right side
    1,147,775.40x = 941,436,428,121.72
  5. Step 5: Solve for x
    x = 941,436,428,121.72/1,147,775.40
  6. Step 6: Final answer
    x = 820,227.05

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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.