Home / 1,419,208.85-2,129,753.48-779,959.04

Finding the Fourth Proportional to 1,419,208.85, 2,129,753.48 and 779,959.04

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Solution

The fourth proportional to 1,419,208.85, 2,129,753.48 and 779,959.04 is: 1,170,455.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,208.85 : 2,129,753.48 = 779,959.04 : x
  2. Step 2: Convert to fraction form
    1,419,208.85/2,129,753.48 = 779,959.04/x
  3. Step 3: Cross multiply
    1,419,208.85x = 2,129,753.48 × 779,959.04
  4. Step 4: Simplify right side
    1,419,208.85x = 1,661,120,465,148.90
  5. Step 5: Solve for x
    x = 1,661,120,465,148.90/1,419,208.85
  6. Step 6: Final answer
    x = 1,170,455.26

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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.