Home / 1,378,978.28-1,902,212.45-827,552.96

Finding the Fourth Proportional to 1,378,978.28, 1,902,212.45 and 827,552.96

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Solution

The fourth proportional to 1,378,978.28, 1,902,212.45 and 827,552.96 is: 1,141,556.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,978.28 : 1,902,212.45 = 827,552.96 : x
  2. Step 2: Convert to fraction form
    1,378,978.28/1,902,212.45 = 827,552.96/x
  3. Step 3: Cross multiply
    1,378,978.28x = 1,902,212.45 × 827,552.96
  4. Step 4: Simplify right side
    1,378,978.28x = 1,574,181,544,164.12
  5. Step 5: Solve for x
    x = 1,574,181,544,164.12/1,378,978.28
  6. Step 6: Final answer
    x = 1,141,556.44

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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.