Home / 1,382,212.94-2,073,601.32-783,441.50

Finding the Fourth Proportional to 1,382,212.94, 2,073,601.32 and 783,441.50

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Solution

The fourth proportional to 1,382,212.94, 2,073,601.32 and 783,441.50 is: 1,175,322.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,212.94 : 2,073,601.32 = 783,441.50 : x
  2. Step 2: Convert to fraction form
    1,382,212.94/2,073,601.32 = 783,441.50/x
  3. Step 3: Cross multiply
    1,382,212.94x = 2,073,601.32 × 783,441.50
  4. Step 4: Simplify right side
    1,382,212.94x = 1,624,545,328,542.78
  5. Step 5: Solve for x
    x = 1,624,545,328,542.78/1,382,212.94
  6. Step 6: Final answer
    x = 1,175,322.04

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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.