Home / 1,098,344.26-1,648,189.79-491,645.56

Finding the Fourth Proportional to 1,098,344.26, 1,648,189.79 and 491,645.56

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Solution

The fourth proportional to 1,098,344.26, 1,648,189.79 and 491,645.56 is: 737,769.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,344.26 : 1,648,189.79 = 491,645.56 : x
  2. Step 2: Convert to fraction form
    1,098,344.26/1,648,189.79 = 491,645.56/x
  3. Step 3: Cross multiply
    1,098,344.26x = 1,648,189.79 × 491,645.56
  4. Step 4: Simplify right side
    1,098,344.26x = 810,325,192,290.83
  5. Step 5: Solve for x
    x = 810,325,192,290.83/1,098,344.26
  6. Step 6: Final answer
    x = 737,769.77

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1.5x scale

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.