Home / 1,322,190.14-1,983,846.42-722,450.69

Finding the Fourth Proportional to 1,322,190.14, 1,983,846.42 and 722,450.69

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Solution

The fourth proportional to 1,322,190.14, 1,983,846.42 and 722,450.69 is: 1,083,982.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,190.14 : 1,983,846.42 = 722,450.69 : x
  2. Step 2: Convert to fraction form
    1,322,190.14/1,983,846.42 = 722,450.69/x
  3. Step 3: Cross multiply
    1,322,190.14x = 1,983,846.42 × 722,450.69
  4. Step 4: Simplify right side
    1,322,190.14x = 1,433,231,214,983.03
  5. Step 5: Solve for x
    x = 1,433,231,214,983.03/1,322,190.14
  6. Step 6: Final answer
    x = 1,083,982.68

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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.