Home / 1,181,012.76-1,629,849.45-664,799.96

Finding the Fourth Proportional to 1,181,012.76, 1,629,849.45 and 664,799.96

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Solution

The fourth proportional to 1,181,012.76, 1,629,849.45 and 664,799.96 is: 917,453.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,012.76 : 1,629,849.45 = 664,799.96 : x
  2. Step 2: Convert to fraction form
    1,181,012.76/1,629,849.45 = 664,799.96/x
  3. Step 3: Cross multiply
    1,181,012.76x = 1,629,849.45 × 664,799.96
  4. Step 4: Simplify right side
    1,181,012.76x = 1,083,523,841,016.77
  5. Step 5: Solve for x
    x = 1,083,523,841,016.77/1,181,012.76
  6. Step 6: Final answer
    x = 917,453.12

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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.