Home / 1,165,135.60-1,748,382.60-491,175.60

Finding the Fourth Proportional to 1,165,135.60, 1,748,382.60 and 491,175.60

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Solution

The fourth proportional to 1,165,135.60, 1,748,382.60 and 491,175.60 is: 737,049.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,135.60 : 1,748,382.60 = 491,175.60 : x
  2. Step 2: Convert to fraction form
    1,165,135.60/1,748,382.60 = 491,175.60/x
  3. Step 3: Cross multiply
    1,165,135.60x = 1,748,382.60 × 491,175.60
  4. Step 4: Simplify right side
    1,165,135.60x = 858,762,872,584.56
  5. Step 5: Solve for x
    x = 858,762,872,584.56/1,165,135.60
  6. Step 6: Final answer
    x = 737,049.72

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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.