Home / 886,999.80-1,330,499.70-782,023.80

Finding the Fourth Proportional to 886,999.80, 1,330,499.70 and 782,023.80

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Solution

The fourth proportional to 886,999.80, 1,330,499.70 and 782,023.80 is: 1,173,035.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    886,999.80 : 1,330,499.70 = 782,023.80 : x
  2. Step 2: Convert to fraction form
    886,999.80/1,330,499.70 = 782,023.80/x
  3. Step 3: Cross multiply
    886,999.80x = 1,330,499.70 × 782,023.80
  4. Step 4: Simplify right side
    886,999.80x = 1,040,482,431,292.86
  5. Step 5: Solve for x
    x = 1,040,482,431,292.86/886,999.80
  6. Step 6: Final answer
    x = 1,173,035.70

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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.