Home / 1,189,991.48-1,642,023.03-699,983.24

Finding the Fourth Proportional to 1,189,991.48, 1,642,023.03 and 699,983.24

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Solution

The fourth proportional to 1,189,991.48, 1,642,023.03 and 699,983.24 is: 965,879.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,991.48 : 1,642,023.03 = 699,983.24 : x
  2. Step 2: Convert to fraction form
    1,189,991.48/1,642,023.03 = 699,983.24/x
  3. Step 3: Cross multiply
    1,189,991.48x = 1,642,023.03 × 699,983.24
  4. Step 4: Simplify right side
    1,189,991.48x = 1,149,388,600,694.02
  5. Step 5: Solve for x
    x = 1,149,388,600,694.02/1,189,991.48
  6. Step 6: Final answer
    x = 965,879.69

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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.