Home / 1,336,736.40-2,005,104.60-628,148.40

Finding the Fourth Proportional to 1,336,736.40, 2,005,104.60 and 628,148.40

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Solution

The fourth proportional to 1,336,736.40, 2,005,104.60 and 628,148.40 is: 942,222.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,736.40 : 2,005,104.60 = 628,148.40 : x
  2. Step 2: Convert to fraction form
    1,336,736.40/2,005,104.60 = 628,148.40/x
  3. Step 3: Cross multiply
    1,336,736.40x = 2,005,104.60 × 628,148.40
  4. Step 4: Simplify right side
    1,336,736.40x = 1,259,503,246,322.64
  5. Step 5: Solve for x
    x = 1,259,503,246,322.64/1,336,736.40
  6. Step 6: Final answer
    x = 942,222.60

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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.