Home / 1,202,137.74-1,802,791.44-348,978.06

Finding the Fourth Proportional to 1,202,137.74, 1,802,791.44 and 348,978.06

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Solution

The fourth proportional to 1,202,137.74, 1,802,791.44 and 348,978.06 is: 523,346.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,202,137.74 : 1,802,791.44 = 348,978.06 : x
  2. Step 2: Convert to fraction form
    1,202,137.74/1,802,791.44 = 348,978.06/x
  3. Step 3: Cross multiply
    1,202,137.74x = 1,802,791.44 × 348,978.06
  4. Step 4: Simplify right side
    1,202,137.74x = 629,134,659,315.81
  5. Step 5: Solve for x
    x = 629,134,659,315.81/1,202,137.74
  6. Step 6: Final answer
    x = 523,346.57

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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.