Home / 1,271,101.29-1,906,651.32-324,471.70

Finding the Fourth Proportional to 1,271,101.29, 1,906,651.32 and 324,471.70

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Solution

The fourth proportional to 1,271,101.29, 1,906,651.32 and 324,471.70 is: 486,707.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,101.29 : 1,906,651.32 = 324,471.70 : x
  2. Step 2: Convert to fraction form
    1,271,101.29/1,906,651.32 = 324,471.70/x
  3. Step 3: Cross multiply
    1,271,101.29x = 1,906,651.32 × 324,471.70
  4. Step 4: Simplify right side
    1,271,101.29x = 618,654,398,099.34
  5. Step 5: Solve for x
    x = 618,654,398,099.34/1,271,101.29
  6. Step 6: Final answer
    x = 486,707.40

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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.