Home / 1,271,636.78-1,907,450.30-325,005.98

Finding the Fourth Proportional to 1,271,636.78, 1,907,450.30 and 325,005.98

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Solution

The fourth proportional to 1,271,636.78, 1,907,450.30 and 325,005.98 is: 487,507.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,636.78 : 1,907,450.30 = 325,005.98 : x
  2. Step 2: Convert to fraction form
    1,271,636.78/1,907,450.30 = 325,005.98/x
  3. Step 3: Cross multiply
    1,271,636.78x = 1,907,450.30 × 325,005.98
  4. Step 4: Simplify right side
    1,271,636.78x = 619,932,754,052.79
  5. Step 5: Solve for x
    x = 619,932,754,052.79/1,271,636.78
  6. Step 6: Final answer
    x = 487,507.73

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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.