Home / 1,368,382.40-2,052,863.37-408,912.69

Finding the Fourth Proportional to 1,368,382.40, 2,052,863.37 and 408,912.69

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Solution

The fourth proportional to 1,368,382.40, 2,052,863.37 and 408,912.69 is: 613,455.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,368,382.40 : 2,052,863.37 = 408,912.69 : x
  2. Step 2: Convert to fraction form
    1,368,382.40/2,052,863.37 = 408,912.69/x
  3. Step 3: Cross multiply
    1,368,382.40x = 2,052,863.37 × 408,912.69
  4. Step 4: Simplify right side
    1,368,382.40x = 839,441,882,829.17
  5. Step 5: Solve for x
    x = 839,441,882,829.17/1,368,382.40
  6. Step 6: Final answer
    x = 613,455.63

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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.