Home / 1,227,559.80-1,838,229.30-978,727.80

Finding the Fourth Proportional to 1,227,559.80, 1,838,229.30 and 978,727.80

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Solution

The fourth proportional to 1,227,559.80, 1,838,229.30 and 978,727.80 is: 1,465,611.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,559.80 : 1,838,229.30 = 978,727.80 : x
  2. Step 2: Convert to fraction form
    1,227,559.80/1,838,229.30 = 978,727.80/x
  3. Step 3: Cross multiply
    1,227,559.80x = 1,838,229.30 × 978,727.80
  4. Step 4: Simplify right side
    1,227,559.80x = 1,799,126,118,684.54
  5. Step 5: Solve for x
    x = 1,799,126,118,684.54/1,227,559.80
  6. Step 6: Final answer
    x = 1,465,611.79

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.