Home / 886,423.70-1,328,080.35-727,793.30

Finding the Fourth Proportional to 886,423.70, 1,328,080.35 and 727,793.30

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Solution

The fourth proportional to 886,423.70, 1,328,080.35 and 727,793.30 is: 1,090,413.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,423.70 : 1,328,080.35 = 727,793.30 : x
  2. Step 2: Convert to fraction form
    886,423.70/1,328,080.35 = 727,793.30/x
  3. Step 3: Cross multiply
    886,423.70x = 1,328,080.35 × 727,793.30
  4. Step 4: Simplify right side
    886,423.70x = 966,567,980,591.66
  5. Step 5: Solve for x
    x = 966,567,980,591.66/886,423.70
  6. Step 6: Final answer
    x = 1,090,413.06

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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.