Home / 1,287,008.82-1,776,330.68-743,233.14

Finding the Fourth Proportional to 1,287,008.82, 1,776,330.68 and 743,233.14

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Solution

The fourth proportional to 1,287,008.82, 1,776,330.68 and 743,233.14 is: 1,025,811.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,287,008.82 : 1,776,330.68 = 743,233.14 : x
  2. Step 2: Convert to fraction form
    1,287,008.82/1,776,330.68 = 743,233.14/x
  3. Step 3: Cross multiply
    1,287,008.82x = 1,776,330.68 × 743,233.14
  4. Step 4: Simplify right side
    1,287,008.82x = 1,320,227,825,258.57
  5. Step 5: Solve for x
    x = 1,320,227,825,258.57/1,287,008.82
  6. Step 6: Final answer
    x = 1,025,811.02

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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.