Home / 1,259,858.61-1,738,639.76-769,907.43

Finding the Fourth Proportional to 1,259,858.61, 1,738,639.76 and 769,907.43

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Solution

The fourth proportional to 1,259,858.61, 1,738,639.76 and 769,907.43 is: 1,062,493.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,858.61 : 1,738,639.76 = 769,907.43 : x
  2. Step 2: Convert to fraction form
    1,259,858.61/1,738,639.76 = 769,907.43/x
  3. Step 3: Cross multiply
    1,259,858.61x = 1,738,639.76 × 769,907.43
  4. Step 4: Simplify right side
    1,259,858.61x = 1,338,591,665,467.88
  5. Step 5: Solve for x
    x = 1,338,591,665,467.88/1,259,858.61
  6. Step 6: Final answer
    x = 1,062,493.56

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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.