Home / 1,198,926.76-1,798,493.82-489,003.88

Finding the Fourth Proportional to 1,198,926.76, 1,798,493.82 and 489,003.88

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Solution

The fourth proportional to 1,198,926.76, 1,798,493.82 and 489,003.88 is: 733,548.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,198,926.76 : 1,798,493.82 = 489,003.88 : x
  2. Step 2: Convert to fraction form
    1,198,926.76/1,798,493.82 = 489,003.88/x
  3. Step 3: Cross multiply
    1,198,926.76x = 1,798,493.82 × 489,003.88
  4. Step 4: Simplify right side
    1,198,926.76x = 879,470,456,136.02
  5. Step 5: Solve for x
    x = 879,470,456,136.02/1,198,926.76
  6. Step 6: Final answer
    x = 733,548.11

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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.