Home / 1,098,597.82-1,515,984.96-669,016.30

Finding the Fourth Proportional to 1,098,597.82, 1,515,984.96 and 669,016.30

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Solution

The fourth proportional to 1,098,597.82, 1,515,984.96 and 669,016.30 is: 923,193.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,597.82 : 1,515,984.96 = 669,016.30 : x
  2. Step 2: Convert to fraction form
    1,098,597.82/1,515,984.96 = 669,016.30/x
  3. Step 3: Cross multiply
    1,098,597.82x = 1,515,984.96 × 669,016.30
  4. Step 4: Simplify right side
    1,098,597.82x = 1,014,218,648,794.85
  5. Step 5: Solve for x
    x = 1,014,218,648,794.85/1,098,597.82
  6. Step 6: Final answer
    x = 923,193.76

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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.