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Finding the Fourth Proportional to 888,295.20, 1,328,554.80 and 794,205.60

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Solution

The fourth proportional to 888,295.20, 1,328,554.80 and 794,205.60 is: 1,187,832.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,295.20 : 1,328,554.80 = 794,205.60 : x
  2. Step 2: Convert to fraction form
    888,295.20/1,328,554.80 = 794,205.60/x
  3. Step 3: Cross multiply
    888,295.20x = 1,328,554.80 × 794,205.60
  4. Step 4: Simplify right side
    888,295.20x = 1,055,145,662,066.88
  5. Step 5: Solve for x
    x = 1,055,145,662,066.88/888,295.20
  6. Step 6: Final answer
    x = 1,187,832.22

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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.