Home / 991,010.60-1,486,515.90-985,105.70

Finding the Fourth Proportional to 991,010.60, 1,486,515.90 and 985,105.70

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Solution

The fourth proportional to 991,010.60, 1,486,515.90 and 985,105.70 is: 1,477,658.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,010.60 : 1,486,515.90 = 985,105.70 : x
  2. Step 2: Convert to fraction form
    991,010.60/1,486,515.90 = 985,105.70/x
  3. Step 3: Cross multiply
    991,010.60x = 1,486,515.90 × 985,105.70
  4. Step 4: Simplify right side
    991,010.60x = 1,464,375,286,230.63
  5. Step 5: Solve for x
    x = 1,464,375,286,230.63/991,010.60
  6. Step 6: Final answer
    x = 1,477,658.55

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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.