Home / 853,720.65-1,280,580.98-804,731.85

Finding the Fourth Proportional to 853,720.65, 1,280,580.98 and 804,731.85

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Solution

The fourth proportional to 853,720.65, 1,280,580.98 and 804,731.85 is: 1,207,097.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    853,720.65 : 1,280,580.98 = 804,731.85 : x
  2. Step 2: Convert to fraction form
    853,720.65/1,280,580.98 = 804,731.85/x
  3. Step 3: Cross multiply
    853,720.65x = 1,280,580.98 × 804,731.85
  4. Step 4: Simplify right side
    853,720.65x = 1,030,524,297,086.55
  5. Step 5: Solve for x
    x = 1,030,524,297,086.55/853,720.65
  6. Step 6: Final answer
    x = 1,207,097.78

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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.