Home / 1,231,481.82-1,699,473.78-687,599.22

Finding the Fourth Proportional to 1,231,481.82, 1,699,473.78 and 687,599.22

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Solution

The fourth proportional to 1,231,481.82, 1,699,473.78 and 687,599.22 is: 948,903.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,481.82 : 1,699,473.78 = 687,599.22 : x
  2. Step 2: Convert to fraction form
    1,231,481.82/1,699,473.78 = 687,599.22/x
  3. Step 3: Cross multiply
    1,231,481.82x = 1,699,473.78 × 687,599.22
  4. Step 4: Simplify right side
    1,231,481.82x = 1,168,556,845,538.45
  5. Step 5: Solve for x
    x = 1,168,556,845,538.45/1,231,481.82
  6. Step 6: Final answer
    x = 948,903.04

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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.