Home / 1,264,398-1,896,203.34-422,752.92

Finding the Fourth Proportional to 1,264,398, 1,896,203.34 and 422,752.92

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Solution

The fourth proportional to 1,264,398, 1,896,203.34 and 422,752.92 is: 633,997.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,398 : 1,896,203.34 = 422,752.92 : x
  2. Step 2: Convert to fraction form
    1,264,398/1,896,203.34 = 422,752.92/x
  3. Step 3: Cross multiply
    1,264,398x = 1,896,203.34 × 422,752.92
  4. Step 4: Simplify right side
    1,264,398x = 801,625,498,898.75
  5. Step 5: Solve for x
    x = 801,625,498,898.75/1,264,398
  6. Step 6: Final answer
    x = 633,997.76

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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.