Home / 859,636.90-1,289,455.35-823,233.70

Finding the Fourth Proportional to 859,636.90, 1,289,455.35 and 823,233.70

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Solution

The fourth proportional to 859,636.90, 1,289,455.35 and 823,233.70 is: 1,234,850.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,636.90 : 1,289,455.35 = 823,233.70 : x
  2. Step 2: Convert to fraction form
    859,636.90/1,289,455.35 = 823,233.70/x
  3. Step 3: Cross multiply
    859,636.90x = 1,289,455.35 × 823,233.70
  4. Step 4: Simplify right side
    859,636.90x = 1,061,523,098,765.30
  5. Step 5: Solve for x
    x = 1,061,523,098,765.30/859,636.90
  6. Step 6: Final answer
    x = 1,234,850.55

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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.