Home / 989,839.70-1,484,759.55-741,007.70

Finding the Fourth Proportional to 989,839.70, 1,484,759.55 and 741,007.70

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Solution

The fourth proportional to 989,839.70, 1,484,759.55 and 741,007.70 is: 1,111,511.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    989,839.70 : 1,484,759.55 = 741,007.70 : x
  2. Step 2: Convert to fraction form
    989,839.70/1,484,759.55 = 741,007.70/x
  3. Step 3: Cross multiply
    989,839.70x = 1,484,759.55 × 741,007.70
  4. Step 4: Simplify right side
    989,839.70x = 1,100,218,259,198.53
  5. Step 5: Solve for x
    x = 1,100,218,259,198.53/989,839.70
  6. Step 6: Final answer
    x = 1,111,511.55

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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.