Home / 1,318,983.25-1,978,413.57-550,163.65

Finding the Fourth Proportional to 1,318,983.25, 1,978,413.57 and 550,163.65

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Solution

The fourth proportional to 1,318,983.25, 1,978,413.57 and 550,163.65 is: 825,219.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,318,983.25 : 1,978,413.57 = 550,163.65 : x
  2. Step 2: Convert to fraction form
    1,318,983.25/1,978,413.57 = 550,163.65/x
  3. Step 3: Cross multiply
    1,318,983.25x = 1,978,413.57 × 550,163.65
  4. Step 4: Simplify right side
    1,318,983.25x = 1,088,451,230,880.73
  5. Step 5: Solve for x
    x = 1,088,451,230,880.73/1,318,983.25
  6. Step 6: Final answer
    x = 825,219.90

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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.