Home / 1,290,170.26-1,935,029.09-491,499.73

Finding the Fourth Proportional to 1,290,170.26, 1,935,029.09 and 491,499.73

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Solution

The fourth proportional to 1,290,170.26, 1,935,029.09 and 491,499.73 is: 737,163.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,290,170.26 : 1,935,029.09 = 491,499.73 : x
  2. Step 2: Convert to fraction form
    1,290,170.26/1,935,029.09 = 491,499.73/x
  3. Step 3: Cross multiply
    1,290,170.26x = 1,935,029.09 × 491,499.73
  4. Step 4: Simplify right side
    1,290,170.26x = 951,066,275,277.15
  5. Step 5: Solve for x
    x = 951,066,275,277.15/1,290,170.26
  6. Step 6: Final answer
    x = 737,163.38

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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.