Home / 1,323,469.13-1,985,203.89-326,197.13

Finding the Fourth Proportional to 1,323,469.13, 1,985,203.89 and 326,197.13

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Solution

The fourth proportional to 1,323,469.13, 1,985,203.89 and 326,197.13 is: 489,295.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,469.13 : 1,985,203.89 = 326,197.13 : x
  2. Step 2: Convert to fraction form
    1,323,469.13/1,985,203.89 = 326,197.13/x
  3. Step 3: Cross multiply
    1,323,469.13x = 1,985,203.89 × 326,197.13
  4. Step 4: Simplify right side
    1,323,469.13x = 647,567,801,456.82
  5. Step 5: Solve for x
    x = 647,567,801,456.82/1,323,469.13
  6. Step 6: Final answer
    x = 489,295.74

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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.