Home / 1,145,327.62-1,580,571.09-629,129.23

Finding the Fourth Proportional to 1,145,327.62, 1,580,571.09 and 629,129.23

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Solution

The fourth proportional to 1,145,327.62, 1,580,571.09 and 629,129.23 is: 868,208.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,327.62 : 1,580,571.09 = 629,129.23 : x
  2. Step 2: Convert to fraction form
    1,145,327.62/1,580,571.09 = 629,129.23/x
  3. Step 3: Cross multiply
    1,145,327.62x = 1,580,571.09 × 629,129.23
  4. Step 4: Simplify right side
    1,145,327.62x = 994,383,472,811.96
  5. Step 5: Solve for x
    x = 994,383,472,811.96/1,145,327.62
  6. Step 6: Final answer
    x = 868,208.76

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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.