Home / 1,382,256.91-1,907,523.91-770,449.04

Finding the Fourth Proportional to 1,382,256.91, 1,907,523.91 and 770,449.04

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Solution

The fourth proportional to 1,382,256.91, 1,907,523.91 and 770,449.04 is: 1,063,224.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,256.91 : 1,907,523.91 = 770,449.04 : x
  2. Step 2: Convert to fraction form
    1,382,256.91/1,907,523.91 = 770,449.04/x
  3. Step 3: Cross multiply
    1,382,256.91x = 1,907,523.91 × 770,449.04
  4. Step 4: Simplify right side
    1,382,256.91x = 1,469,649,965,236.55
  5. Step 5: Solve for x
    x = 1,469,649,965,236.55/1,382,256.91
  6. Step 6: Final answer
    x = 1,063,224.90

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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.