Home / 1,165,155.52-1,748,412.60-491,195.56

Finding the Fourth Proportional to 1,165,155.52, 1,748,412.60 and 491,195.56

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Solution

The fourth proportional to 1,165,155.52, 1,748,412.60 and 491,195.56 is: 737,079.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,165,155.52 : 1,748,412.60 = 491,195.56 : x
  2. Step 2: Convert to fraction form
    1,165,155.52/1,748,412.60 = 491,195.56/x
  3. Step 3: Cross multiply
    1,165,155.52x = 1,748,412.60 × 491,195.56
  4. Step 4: Simplify right side
    1,165,155.52x = 858,812,506,168.06
  5. Step 5: Solve for x
    x = 858,812,506,168.06/1,165,155.52
  6. Step 6: Final answer
    x = 737,079.72

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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.