Home / 1,119,658.20-1,679,876.10-489,024.60

Finding the Fourth Proportional to 1,119,658.20, 1,679,876.10 and 489,024.60

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Solution

The fourth proportional to 1,119,658.20, 1,679,876.10 and 489,024.60 is: 733,706.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,658.20 : 1,679,876.10 = 489,024.60 : x
  2. Step 2: Convert to fraction form
    1,119,658.20/1,679,876.10 = 489,024.60/x
  3. Step 3: Cross multiply
    1,119,658.20x = 1,679,876.10 × 489,024.60
  4. Step 4: Simplify right side
    1,119,658.20x = 821,500,737,852.06
  5. Step 5: Solve for x
    x = 821,500,737,852.06/1,119,658.20
  6. Step 6: Final answer
    x = 733,706.71

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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.