Home / 1,422,761.91-1,963,474.34-819,344.31

Finding the Fourth Proportional to 1,422,761.91, 1,963,474.34 and 819,344.31

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Solution

The fourth proportional to 1,422,761.91, 1,963,474.34 and 819,344.31 is: 1,130,731.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,761.91 : 1,963,474.34 = 819,344.31 : x
  2. Step 2: Convert to fraction form
    1,422,761.91/1,963,474.34 = 819,344.31/x
  3. Step 3: Cross multiply
    1,422,761.91x = 1,963,474.34 × 819,344.31
  4. Step 4: Simplify right side
    1,422,761.91x = 1,608,761,524,213.28
  5. Step 5: Solve for x
    x = 1,608,761,524,213.28/1,422,761.91
  6. Step 6: Final answer
    x = 1,130,731.37

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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.