Home / 1,491,438.62-2,235,422.31-852,190.12

Finding the Fourth Proportional to 1,491,438.62, 2,235,422.31 and 852,190.12

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Solution

The fourth proportional to 1,491,438.62, 2,235,422.31 and 852,190.12 is: 1,277,293.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,438.62 : 2,235,422.31 = 852,190.12 : x
  2. Step 2: Convert to fraction form
    1,491,438.62/2,235,422.31 = 852,190.12/x
  3. Step 3: Cross multiply
    1,491,438.62x = 2,235,422.31 × 852,190.12
  4. Step 4: Simplify right side
    1,491,438.62x = 1,905,004,793,633.89
  5. Step 5: Solve for x
    x = 1,905,004,793,633.89/1,491,438.62
  6. Step 6: Final answer
    x = 1,277,293.46

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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.