Home / 1,259,860.61-1,738,642.52-769,909.43

Finding the Fourth Proportional to 1,259,860.61, 1,738,642.52 and 769,909.43

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Solution

The fourth proportional to 1,259,860.61, 1,738,642.52 and 769,909.43 is: 1,062,496.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,860.61 : 1,738,642.52 = 769,909.43 : x
  2. Step 2: Convert to fraction form
    1,259,860.61/1,738,642.52 = 769,909.43/x
  3. Step 3: Cross multiply
    1,259,860.61x = 1,738,642.52 × 769,909.43
  4. Step 4: Simplify right side
    1,259,860.61x = 1,338,597,271,546.96
  5. Step 5: Solve for x
    x = 1,338,597,271,546.96/1,259,860.61
  6. Step 6: Final answer
    x = 1,062,496.33

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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.