Home / 1,228,879.52-1,843,630.30-342,415.52

Finding the Fourth Proportional to 1,228,879.52, 1,843,630.30 and 342,415.52

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Solution

The fourth proportional to 1,228,879.52, 1,843,630.30 and 342,415.52 is: 513,709.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,879.52 : 1,843,630.30 = 342,415.52 : x
  2. Step 2: Convert to fraction form
    1,228,879.52/1,843,630.30 = 342,415.52/x
  3. Step 3: Cross multiply
    1,228,879.52x = 1,843,630.30 × 342,415.52
  4. Step 4: Simplify right side
    1,228,879.52x = 631,287,627,862.26
  5. Step 5: Solve for x
    x = 631,287,627,862.26/1,228,879.52
  6. Step 6: Final answer
    x = 513,709.94

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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.