Home / 1,271,634.78-1,907,447.30-325,003.98

Finding the Fourth Proportional to 1,271,634.78, 1,907,447.30 and 325,003.98

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Solution

The fourth proportional to 1,271,634.78, 1,907,447.30 and 325,003.98 is: 487,504.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,634.78 : 1,907,447.30 = 325,003.98 : x
  2. Step 2: Convert to fraction form
    1,271,634.78/1,907,447.30 = 325,003.98/x
  3. Step 3: Cross multiply
    1,271,634.78x = 1,907,447.30 × 325,003.98
  4. Step 4: Simplify right side
    1,271,634.78x = 619,927,964,140.25
  5. Step 5: Solve for x
    x = 619,927,964,140.25/1,271,634.78
  6. Step 6: Final answer
    x = 487,504.73

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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.