Home / 823,613.40-1,235,420.10-792,120.60

Finding the Fourth Proportional to 823,613.40, 1,235,420.10 and 792,120.60

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Solution

The fourth proportional to 823,613.40, 1,235,420.10 and 792,120.60 is: 1,188,180.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,613.40 : 1,235,420.10 = 792,120.60 : x
  2. Step 2: Convert to fraction form
    823,613.40/1,235,420.10 = 792,120.60/x
  3. Step 3: Cross multiply
    823,613.40x = 1,235,420.10 × 792,120.60
  4. Step 4: Simplify right side
    823,613.40x = 978,601,710,864.06
  5. Step 5: Solve for x
    x = 978,601,710,864.06/823,613.40
  6. Step 6: Final answer
    x = 1,188,180.90

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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.