Home / 1,005,135.20-1,507,852.16-331,092

Finding the Fourth Proportional to 1,005,135.20, 1,507,852.16 and 331,092

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Solution

The fourth proportional to 1,005,135.20, 1,507,852.16 and 331,092 is: 496,687.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,135.20 : 1,507,852.16 = 331,092 : x
  2. Step 2: Convert to fraction form
    1,005,135.20/1,507,852.16 = 331,092/x
  3. Step 3: Cross multiply
    1,005,135.20x = 1,507,852.16 × 331,092
  4. Step 4: Simplify right side
    1,005,135.20x = 499,237,787,358.72
  5. Step 5: Solve for x
    x = 499,237,787,358.72/1,005,135.20
  6. Step 6: Final answer
    x = 496,687.20

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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.