Home / 1,321,089.35-1,982,396.73-713,879.73

Finding the Fourth Proportional to 1,321,089.35, 1,982,396.73 and 713,879.73

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Solution

The fourth proportional to 1,321,089.35, 1,982,396.73 and 713,879.73 is: 1,071,231.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,089.35 : 1,982,396.73 = 713,879.73 : x
  2. Step 2: Convert to fraction form
    1,321,089.35/1,982,396.73 = 713,879.73/x
  3. Step 3: Cross multiply
    1,321,089.35x = 1,982,396.73 × 713,879.73
  4. Step 4: Simplify right side
    1,321,089.35x = 1,415,192,845,042.33
  5. Step 5: Solve for x
    x = 1,415,192,845,042.33/1,321,089.35
  6. Step 6: Final answer
    x = 1,071,231.75

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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.