Home / 1,419,799.12-1,959,307.92-775,217.32

Finding the Fourth Proportional to 1,419,799.12, 1,959,307.92 and 775,217.32

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Solution

The fourth proportional to 1,419,799.12, 1,959,307.92 and 775,217.32 is: 1,069,791.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,799.12 : 1,959,307.92 = 775,217.32 : x
  2. Step 2: Convert to fraction form
    1,419,799.12/1,959,307.92 = 775,217.32/x
  3. Step 3: Cross multiply
    1,419,799.12x = 1,959,307.92 × 775,217.32
  4. Step 4: Simplify right side
    1,419,799.12x = 1,518,889,434,797.17
  5. Step 5: Solve for x
    x = 1,518,889,434,797.17/1,419,799.12
  6. Step 6: Final answer
    x = 1,069,791.78

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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.