Home / 1,731,696.90-2,597,589.90-820,665.60

Finding the Fourth Proportional to 1,731,696.90, 2,597,589.90 and 820,665.60

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Solution

The fourth proportional to 1,731,696.90, 2,597,589.90 and 820,665.60 is: 1,231,019.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,731,696.90 : 2,597,589.90 = 820,665.60 : x
  2. Step 2: Convert to fraction form
    1,731,696.90/2,597,589.90 = 820,665.60/x
  3. Step 3: Cross multiply
    1,731,696.90x = 2,597,589.90 × 820,665.60
  4. Step 4: Simplify right side
    1,731,696.90x = 2,131,752,673,837.44
  5. Step 5: Solve for x
    x = 2,131,752,673,837.44/1,731,696.90
  6. Step 6: Final answer
    x = 1,231,019.51

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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.