Home / 1,079,369.40-1,619,054.10-331,318.20

Finding the Fourth Proportional to 1,079,369.40, 1,619,054.10 and 331,318.20

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Solution

The fourth proportional to 1,079,369.40, 1,619,054.10 and 331,318.20 is: 496,977.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,369.40 : 1,619,054.10 = 331,318.20 : x
  2. Step 2: Convert to fraction form
    1,079,369.40/1,619,054.10 = 331,318.20/x
  3. Step 3: Cross multiply
    1,079,369.40x = 1,619,054.10 × 331,318.20
  4. Step 4: Simplify right side
    1,079,369.40x = 536,422,090,114.62
  5. Step 5: Solve for x
    x = 536,422,090,114.62/1,079,369.40
  6. Step 6: Final answer
    x = 496,977.30

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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.