Home / 1,229,546.80-1,842,351.90-808,330.60

Finding the Fourth Proportional to 1,229,546.80, 1,842,351.90 and 808,330.60

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Solution

The fourth proportional to 1,229,546.80, 1,842,351.90 and 808,330.60 is: 1,211,201.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,229,546.80 : 1,842,351.90 = 808,330.60 : x
  2. Step 2: Convert to fraction form
    1,229,546.80/1,842,351.90 = 808,330.60/x
  3. Step 3: Cross multiply
    1,229,546.80x = 1,842,351.90 × 808,330.60
  4. Step 4: Simplify right side
    1,229,546.80x = 1,489,229,416,738.14
  5. Step 5: Solve for x
    x = 1,489,229,416,738.14/1,229,546.80
  6. Step 6: Final answer
    x = 1,211,201.90

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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.