Home / 1,382,182.32-1,907,469.72-770,335.44

Finding the Fourth Proportional to 1,382,182.32, 1,907,469.72 and 770,335.44

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Solution

The fourth proportional to 1,382,182.32, 1,907,469.72 and 770,335.44 is: 1,063,095.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,382,182.32 : 1,907,469.72 = 770,335.44 : x
  2. Step 2: Convert to fraction form
    1,382,182.32/1,907,469.72 = 770,335.44/x
  3. Step 3: Cross multiply
    1,382,182.32x = 1,907,469.72 × 770,335.44
  4. Step 4: Simplify right side
    1,382,182.32x = 1,469,391,526,042.88
  5. Step 5: Solve for x
    x = 1,469,391,526,042.88/1,382,182.32
  6. Step 6: Final answer
    x = 1,063,095.30

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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.