Home / 1,407,257.26-1,942,007.34-762,670.60

Finding the Fourth Proportional to 1,407,257.26, 1,942,007.34 and 762,670.60

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Solution

The fourth proportional to 1,407,257.26, 1,942,007.34 and 762,670.60 is: 1,052,481.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,257.26 : 1,942,007.34 = 762,670.60 : x
  2. Step 2: Convert to fraction form
    1,407,257.26/1,942,007.34 = 762,670.60/x
  3. Step 3: Cross multiply
    1,407,257.26x = 1,942,007.34 × 762,670.60
  4. Step 4: Simplify right side
    1,407,257.26x = 1,481,111,903,202.20
  5. Step 5: Solve for x
    x = 1,481,111,903,202.20/1,407,257.26
  6. Step 6: Final answer
    x = 1,052,481.27

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.