Home / 1,271,103-1,906,653.90-324,473.42

Finding the Fourth Proportional to 1,271,103, 1,906,653.90 and 324,473.42

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Solution

The fourth proportional to 1,271,103, 1,906,653.90 and 324,473.42 is: 486,709.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,103 : 1,906,653.90 = 324,473.42 : x
  2. Step 2: Convert to fraction form
    1,271,103/1,906,653.90 = 324,473.42/x
  3. Step 3: Cross multiply
    1,271,103x = 1,906,653.90 × 324,473.42
  4. Step 4: Simplify right side
    1,271,103x = 618,658,511,689.34
  5. Step 5: Solve for x
    x = 618,658,511,689.34/1,271,103
  6. Step 6: Final answer
    x = 486,709.98

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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.