Home / 1,726,832.40-2,589,019.80-661,462.80

Finding the Fourth Proportional to 1,726,832.40, 2,589,019.80 and 661,462.80

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Solution

The fourth proportional to 1,726,832.40, 2,589,019.80 and 661,462.80 is: 991,723.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,726,832.40 : 2,589,019.80 = 661,462.80 : x
  2. Step 2: Convert to fraction form
    1,726,832.40/2,589,019.80 = 661,462.80/x
  3. Step 3: Cross multiply
    1,726,832.40x = 2,589,019.80 × 661,462.80
  4. Step 4: Simplify right side
    1,726,832.40x = 1,712,540,286,163.44
  5. Step 5: Solve for x
    x = 1,712,540,286,163.44/1,726,832.40
  6. Step 6: Final answer
    x = 991,723.51

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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.