Home / 1,228,882.50-1,843,634.79-342,418.50

Finding the Fourth Proportional to 1,228,882.50, 1,843,634.79 and 342,418.50

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Solution

The fourth proportional to 1,228,882.50, 1,843,634.79 and 342,418.50 is: 513,714.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,882.50 : 1,843,634.79 = 342,418.50 : x
  2. Step 2: Convert to fraction form
    1,228,882.50/1,843,634.79 = 342,418.50/x
  3. Step 3: Cross multiply
    1,228,882.50x = 1,843,634.79 × 342,418.50
  4. Step 4: Simplify right side
    1,228,882.50x = 631,294,659,339.62
  5. Step 5: Solve for x
    x = 631,294,659,339.62/1,228,882.50
  6. Step 6: Final answer
    x = 513,714.42

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1.5x scale

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.