Home / 1,215,196.40-1,821,336.60-504,858.80

Finding the Fourth Proportional to 1,215,196.40, 1,821,336.60 and 504,858.80

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Solution

The fourth proportional to 1,215,196.40, 1,821,336.60 and 504,858.80 is: 756,682.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,215,196.40 : 1,821,336.60 = 504,858.80 : x
  2. Step 2: Convert to fraction form
    1,215,196.40/1,821,336.60 = 504,858.80/x
  3. Step 3: Cross multiply
    1,215,196.40x = 1,821,336.60 × 504,858.80
  4. Step 4: Simplify right side
    1,215,196.40x = 919,517,810,272.08
  5. Step 5: Solve for x
    x = 919,517,810,272.08/1,215,196.40
  6. Step 6: Final answer
    x = 756,682.47

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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.