Home / 995,872.60-1,493,808.90-820,912.60

Finding the Fourth Proportional to 995,872.60, 1,493,808.90 and 820,912.60

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Solution

The fourth proportional to 995,872.60, 1,493,808.90 and 820,912.60 is: 1,231,368.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    995,872.60 : 1,493,808.90 = 820,912.60 : x
  2. Step 2: Convert to fraction form
    995,872.60/1,493,808.90 = 820,912.60/x
  3. Step 3: Cross multiply
    995,872.60x = 1,493,808.90 × 820,912.60
  4. Step 4: Simplify right side
    995,872.60x = 1,226,286,548,002.14
  5. Step 5: Solve for x
    x = 1,226,286,548,002.14/995,872.60
  6. Step 6: Final answer
    x = 1,231,368.90

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1.5x scale

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.