Home / 1,271,165.39-1,906,751.22-311,625.21

Finding the Fourth Proportional to 1,271,165.39, 1,906,751.22 and 311,625.21

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Solution

The fourth proportional to 1,271,165.39, 1,906,751.22 and 311,625.21 is: 467,438.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,165.39 : 1,906,751.22 = 311,625.21 : x
  2. Step 2: Convert to fraction form
    1,271,165.39/1,906,751.22 = 311,625.21/x
  3. Step 3: Cross multiply
    1,271,165.39x = 1,906,751.22 × 311,625.21
  4. Step 4: Simplify right side
    1,271,165.39x = 594,191,749,350.26
  5. Step 5: Solve for x
    x = 594,191,749,350.26/1,271,165.39
  6. Step 6: Final answer
    x = 467,438.58

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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.