Home / 1,005,072-1,507,792.67-331,193.04

Finding the Fourth Proportional to 1,005,072, 1,507,792.67 and 331,193.04

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Solution

The fourth proportional to 1,005,072, 1,507,792.67 and 331,193.04 is: 496,850.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,072 : 1,507,792.67 = 331,193.04 : x
  2. Step 2: Convert to fraction form
    1,005,072/1,507,792.67 = 331,193.04/x
  3. Step 3: Cross multiply
    1,005,072x = 1,507,792.67 × 331,193.04
  4. Step 4: Simplify right side
    1,005,072x = 499,370,438,067.02
  5. Step 5: Solve for x
    x = 499,370,438,067.02/1,005,072
  6. Step 6: Final answer
    x = 496,850.41

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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.