Home / 1,091,231.22-1,505,974.80-661,529.46

Finding the Fourth Proportional to 1,091,231.22, 1,505,974.80 and 661,529.46

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Solution

The fourth proportional to 1,091,231.22, 1,505,974.80 and 661,529.46 is: 912,956.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,231.22 : 1,505,974.80 = 661,529.46 : x
  2. Step 2: Convert to fraction form
    1,091,231.22/1,505,974.80 = 661,529.46/x
  3. Step 3: Cross multiply
    1,091,231.22x = 1,505,974.80 × 661,529.46
  4. Step 4: Simplify right side
    1,091,231.22x = 996,246,696,217.61
  5. Step 5: Solve for x
    x = 996,246,696,217.61/1,091,231.22
  6. Step 6: Final answer
    x = 912,956.56

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.