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Finding the Fourth Proportional to 1,766,759.55, 2,649,823.98 and 469,919.27

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Solution

The fourth proportional to 1,766,759.55, 2,649,823.98 and 469,919.27 is: 704,795.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,766,759.55 : 2,649,823.98 = 469,919.27 : x
  2. Step 2: Convert to fraction form
    1,766,759.55/2,649,823.98 = 469,919.27/x
  3. Step 3: Cross multiply
    1,766,759.55x = 2,649,823.98 × 469,919.27
  4. Step 4: Simplify right side
    1,766,759.55x = 1,245,203,355,172.46
  5. Step 5: Solve for x
    x = 1,245,203,355,172.46/1,766,759.55
  6. Step 6: Final answer
    x = 704,795.03

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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.