Home / 1,407,422.79-1,942,246.89-762,842.34

Finding the Fourth Proportional to 1,407,422.79, 1,942,246.89 and 762,842.34

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Solution

The fourth proportional to 1,407,422.79, 1,942,246.89 and 762,842.34 is: 1,052,724.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,407,422.79 : 1,942,246.89 = 762,842.34 : x
  2. Step 2: Convert to fraction form
    1,407,422.79/1,942,246.89 = 762,842.34/x
  3. Step 3: Cross multiply
    1,407,422.79x = 1,942,246.89 × 762,842.34
  4. Step 4: Simplify right side
    1,407,422.79x = 1,481,628,162,425.32
  5. Step 5: Solve for x
    x = 1,481,628,162,425.32/1,407,422.79
  6. Step 6: Final answer
    x = 1,052,724.29

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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.