Home / 1,407,425.63-1,942,236.43-762,829.25

Finding the Fourth Proportional to 1,407,425.63, 1,942,236.43 and 762,829.25

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Solution

The fourth proportional to 1,407,425.63, 1,942,236.43 and 762,829.25 is: 1,052,698.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,425.63 : 1,942,236.43 = 762,829.25 : x
  2. Step 2: Convert to fraction form
    1,407,425.63/1,942,236.43 = 762,829.25/x
  3. Step 3: Cross multiply
    1,407,425.63x = 1,942,236.43 × 762,829.25
  4. Step 4: Simplify right side
    1,407,425.63x = 1,481,594,747,601.32
  5. Step 5: Solve for x
    x = 1,481,594,747,601.32/1,407,425.63
  6. Step 6: Final answer
    x = 1,052,698.43

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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.