Home / 1,203,120.14-1,805,429.25-1,091,003.58

Finding the Fourth Proportional to 1,203,120.14, 1,805,429.25 and 1,091,003.58

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Solution

The fourth proportional to 1,203,120.14, 1,805,429.25 and 1,091,003.58 is: 1,637,184.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,120.14 : 1,805,429.25 = 1,091,003.58 : x
  2. Step 2: Convert to fraction form
    1,203,120.14/1,805,429.25 = 1,091,003.58/x
  3. Step 3: Cross multiply
    1,203,120.14x = 1,805,429.25 × 1,091,003.58
  4. Step 4: Simplify right side
    1,203,120.14x = 1,969,729,775,186.72
  5. Step 5: Solve for x
    x = 1,969,729,775,186.72/1,203,120.14
  6. Step 6: Final answer
    x = 1,637,184.62

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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.