Home / 1,227,272.74-1,839,629.36-686,736.56

Finding the Fourth Proportional to 1,227,272.74, 1,839,629.36 and 686,736.56

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Solution

The fourth proportional to 1,227,272.74, 1,839,629.36 and 686,736.56 is: 1,029,388.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,227,272.74 : 1,839,629.36 = 686,736.56 : x
  2. Step 2: Convert to fraction form
    1,227,272.74/1,839,629.36 = 686,736.56/x
  3. Step 3: Cross multiply
    1,227,272.74x = 1,839,629.36 × 686,736.56
  4. Step 4: Simplify right side
    1,227,272.74x = 1,263,340,738,361.40
  5. Step 5: Solve for x
    x = 1,263,340,738,361.40/1,227,272.74
  6. Step 6: Final answer
    x = 1,029,388.74

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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.