Home / 1,327,087.44-1,990,043.64-380,243.28

Finding the Fourth Proportional to 1,327,087.44, 1,990,043.64 and 380,243.28

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Solution

The fourth proportional to 1,327,087.44, 1,990,043.64 and 380,243.28 is: 570,196.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,327,087.44 : 1,990,043.64 = 380,243.28 : x
  2. Step 2: Convert to fraction form
    1,327,087.44/1,990,043.64 = 380,243.28/x
  3. Step 3: Cross multiply
    1,327,087.44x = 1,990,043.64 × 380,243.28
  4. Step 4: Simplify right side
    1,327,087.44x = 756,700,721,016.74
  5. Step 5: Solve for x
    x = 756,700,721,016.74/1,327,087.44
  6. Step 6: Final answer
    x = 570,196.58

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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.