Home / 1,378,564.83-1,902,293.96-797,687.55

Finding the Fourth Proportional to 1,378,564.83, 1,902,293.96 and 797,687.55

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Solution

The fourth proportional to 1,378,564.83, 1,902,293.96 and 797,687.55 is: 1,100,736.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,564.83 : 1,902,293.96 = 797,687.55 : x
  2. Step 2: Convert to fraction form
    1,378,564.83/1,902,293.96 = 797,687.55/x
  3. Step 3: Cross multiply
    1,378,564.83x = 1,902,293.96 × 797,687.55
  4. Step 4: Simplify right side
    1,378,564.83x = 1,517,436,204,343.76
  5. Step 5: Solve for x
    x = 1,517,436,204,343.76/1,378,564.83
  6. Step 6: Final answer
    x = 1,100,736.19

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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.