Home / 816,110.70-1,224,166.05-810,861.90

Finding the Fourth Proportional to 816,110.70, 1,224,166.05 and 810,861.90

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Solution

The fourth proportional to 816,110.70, 1,224,166.05 and 810,861.90 is: 1,216,292.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,110.70 : 1,224,166.05 = 810,861.90 : x
  2. Step 2: Convert to fraction form
    816,110.70/1,224,166.05 = 810,861.90/x
  3. Step 3: Cross multiply
    816,110.70x = 1,224,166.05 × 810,861.90
  4. Step 4: Simplify right side
    816,110.70x = 992,629,609,218.50
  5. Step 5: Solve for x
    x = 992,629,609,218.50/816,110.70
  6. Step 6: Final answer
    x = 1,216,292.85

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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.