Home / 1,821,760.80-2,728,267.20-978,453.60

Finding the Fourth Proportional to 1,821,760.80, 2,728,267.20 and 978,453.60

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Solution

The fourth proportional to 1,821,760.80, 2,728,267.20 and 978,453.60 is: 1,465,331.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,821,760.80 : 2,728,267.20 = 978,453.60 : x
  2. Step 2: Convert to fraction form
    1,821,760.80/2,728,267.20 = 978,453.60/x
  3. Step 3: Cross multiply
    1,821,760.80x = 2,728,267.20 × 978,453.60
  4. Step 4: Simplify right side
    1,821,760.80x = 2,669,482,863,601.92
  5. Step 5: Solve for x
    x = 2,669,482,863,601.92/1,821,760.80
  6. Step 6: Final answer
    x = 1,465,331.16

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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.