Home / 1,322,188.13-1,983,843.41-722,448.69

Finding the Fourth Proportional to 1,322,188.13, 1,983,843.41 and 722,448.69

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Solution

The fourth proportional to 1,322,188.13, 1,983,843.41 and 722,448.69 is: 1,083,979.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,188.13 : 1,983,843.41 = 722,448.69 : x
  2. Step 2: Convert to fraction form
    1,322,188.13/1,983,843.41 = 722,448.69/x
  3. Step 3: Cross multiply
    1,322,188.13x = 1,983,843.41 × 722,448.69
  4. Step 4: Simplify right side
    1,322,188.13x = 1,433,225,069,107.39
  5. Step 5: Solve for x
    x = 1,433,225,069,107.39/1,322,188.13
  6. Step 6: Final answer
    x = 1,083,979.69

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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.