Home / 1,079,028.70-1,618,413.88-839,382.03

Finding the Fourth Proportional to 1,079,028.70, 1,618,413.88 and 839,382.03

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Solution

The fourth proportional to 1,079,028.70, 1,618,413.88 and 839,382.03 is: 1,258,972.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,028.70 : 1,618,413.88 = 839,382.03 : x
  2. Step 2: Convert to fraction form
    1,079,028.70/1,618,413.88 = 839,382.03/x
  3. Step 3: Cross multiply
    1,079,028.70x = 1,618,413.88 × 839,382.03
  4. Step 4: Simplify right side
    1,079,028.70x = 1,358,467,527,974.58
  5. Step 5: Solve for x
    x = 1,358,467,527,974.58/1,079,028.70
  6. Step 6: Final answer
    x = 1,258,972.56

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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.