Home / 1,131,997.86-1,562,015.25-765,273.06

Finding the Fourth Proportional to 1,131,997.86, 1,562,015.25 and 765,273.06

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Solution

The fourth proportional to 1,131,997.86, 1,562,015.25 and 765,273.06 is: 1,055,980.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,997.86 : 1,562,015.25 = 765,273.06 : x
  2. Step 2: Convert to fraction form
    1,131,997.86/1,562,015.25 = 765,273.06/x
  3. Step 3: Cross multiply
    1,131,997.86x = 1,562,015.25 × 765,273.06
  4. Step 4: Simplify right side
    1,131,997.86x = 1,195,368,190,134.17
  5. Step 5: Solve for x
    x = 1,195,368,190,134.17/1,131,997.86
  6. Step 6: Final answer
    x = 1,055,980.96

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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.