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Finding the Fourth Proportional to 1,131,180, 1,696,770 and 343,212

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Solution

The fourth proportional to 1,131,180, 1,696,770 and 343,212 is: 514,818

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,180 : 1,696,770 = 343,212 : x
  2. Step 2: Convert to fraction form
    1,131,180/1,696,770 = 343,212/x
  3. Step 3: Cross multiply
    1,131,180x = 1,696,770 × 343,212
  4. Step 4: Simplify right side
    1,131,180x = 582,351,825,240
  5. Step 5: Solve for x
    x = 582,351,825,240/1,131,180
  6. Step 6: Final answer
    x = 514,818

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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.