Home / 1,419,205.08-2,129,747.82-779,955.24

Finding the Fourth Proportional to 1,419,205.08, 2,129,747.82 and 779,955.24

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Solution

The fourth proportional to 1,419,205.08, 2,129,747.82 and 779,955.24 is: 1,170,449.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,205.08 : 2,129,747.82 = 779,955.24 : x
  2. Step 2: Convert to fraction form
    1,419,205.08/2,129,747.82 = 779,955.24/x
  3. Step 3: Cross multiply
    1,419,205.08x = 2,129,747.82 × 779,955.24
  4. Step 4: Simplify right side
    1,419,205.08x = 1,661,107,972,087.58
  5. Step 5: Solve for x
    x = 1,661,107,972,087.58/1,419,205.08
  6. Step 6: Final answer
    x = 1,170,449.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.