Home / 1,321,091.85-1,982,400.48-713,882.23

Finding the Fourth Proportional to 1,321,091.85, 1,982,400.48 and 713,882.23

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Solution

The fourth proportional to 1,321,091.85, 1,982,400.48 and 713,882.23 is: 1,071,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,321,091.85 : 1,982,400.48 = 713,882.23 : x
  2. Step 2: Convert to fraction form
    1,321,091.85/1,982,400.48 = 713,882.23/x
  3. Step 3: Cross multiply
    1,321,091.85x = 1,982,400.48 × 713,882.23
  4. Step 4: Simplify right side
    1,321,091.85x = 1,415,200,475,415.47
  5. Step 5: Solve for x
    x = 1,415,200,475,415.47/1,321,091.85
  6. Step 6: Final answer
    x = 1,071,235.49

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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.