Home / 1,322,221.75-1,983,332.45-872,837.33

Finding the Fourth Proportional to 1,322,221.75, 1,983,332.45 and 872,837.33

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Solution

The fourth proportional to 1,322,221.75, 1,983,332.45 and 872,837.33 is: 1,309,255.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,221.75 : 1,983,332.45 = 872,837.33 : x
  2. Step 2: Convert to fraction form
    1,322,221.75/1,983,332.45 = 872,837.33/x
  3. Step 3: Cross multiply
    1,322,221.75x = 1,983,332.45 × 872,837.33
  4. Step 4: Simplify right side
    1,322,221.75x = 1,731,126,592,425.79
  5. Step 5: Solve for x
    x = 1,731,126,592,425.79/1,322,221.75
  6. Step 6: Final answer
    x = 1,309,255.88

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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.