Home / 1,382,167.49-1,907,546.24-770,376.11

Finding the Fourth Proportional to 1,382,167.49, 1,907,546.24 and 770,376.11

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Solution

The fourth proportional to 1,382,167.49, 1,907,546.24 and 770,376.11 is: 1,063,205.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,167.49 : 1,907,546.24 = 770,376.11 : x
  2. Step 2: Convert to fraction form
    1,382,167.49/1,907,546.24 = 770,376.11/x
  3. Step 3: Cross multiply
    1,382,167.49x = 1,907,546.24 × 770,376.11
  4. Step 4: Simplify right side
    1,382,167.49x = 1,469,528,048,164.45
  5. Step 5: Solve for x
    x = 1,469,528,048,164.45/1,382,167.49
  6. Step 6: Final answer
    x = 1,063,205.48

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.