Home / 1,005,137.20-1,507,855.16-331,094

Finding the Fourth Proportional to 1,005,137.20, 1,507,855.16 and 331,094

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Solution

The fourth proportional to 1,005,137.20, 1,507,855.16 and 331,094 is: 496,690.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,005,137.20 : 1,507,855.16 = 331,094 : x
  2. Step 2: Convert to fraction form
    1,005,137.20/1,507,855.16 = 331,094/x
  3. Step 3: Cross multiply
    1,005,137.20x = 1,507,855.16 × 331,094
  4. Step 4: Simplify right side
    1,005,137.20x = 499,241,796,345.04
  5. Step 5: Solve for x
    x = 499,241,796,345.04/1,005,137.20
  6. Step 6: Final answer
    x = 496,690.20

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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.