Home / 1,005,100.62-1,507,835.64-331,221.66

Finding the Fourth Proportional to 1,005,100.62, 1,507,835.64 and 331,221.66

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Solution

The fourth proportional to 1,005,100.62, 1,507,835.64 and 331,221.66 is: 496,893.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,100.62 : 1,507,835.64 = 331,221.66 : x
  2. Step 2: Convert to fraction form
    1,005,100.62/1,507,835.64 = 331,221.66/x
  3. Step 3: Cross multiply
    1,005,100.62x = 1,507,835.64 × 331,221.66
  4. Step 4: Simplify right side
    1,005,100.62x = 499,427,823,687.96
  5. Step 5: Solve for x
    x = 499,427,823,687.96/1,005,100.62
  6. Step 6: Final answer
    x = 496,893.36

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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.