Home / 1,264,143.98-1,896,478.41-422,673.86

Finding the Fourth Proportional to 1,264,143.98, 1,896,478.41 and 422,673.86

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Solution

The fourth proportional to 1,264,143.98, 1,896,478.41 and 422,673.86 is: 634,098.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,143.98 : 1,896,478.41 = 422,673.86 : x
  2. Step 2: Convert to fraction form
    1,264,143.98/1,896,478.41 = 422,673.86/x
  3. Step 3: Cross multiply
    1,264,143.98x = 1,896,478.41 × 422,673.86
  4. Step 4: Simplify right side
    1,264,143.98x = 801,591,849,961.36
  5. Step 5: Solve for x
    x = 801,591,849,961.36/1,264,143.98
  6. Step 6: Final answer
    x = 634,098.54

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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.