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Finding the Fourth Proportional to 886,879.14, 1,330,269.54 and 788,168.88

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Solution

The fourth proportional to 886,879.14, 1,330,269.54 and 788,168.88 is: 1,182,209.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,879.14 : 1,330,269.54 = 788,168.88 : x
  2. Step 2: Convert to fraction form
    886,879.14/1,330,269.54 = 788,168.88/x
  3. Step 3: Cross multiply
    886,879.14x = 1,330,269.54 × 788,168.88
  4. Step 4: Simplify right side
    886,879.14x = 1,048,477,053,439.92
  5. Step 5: Solve for x
    x = 1,048,477,053,439.92/886,879.14
  6. Step 6: Final answer
    x = 1,182,209.62

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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.