Home / 1,271,072.40-1,906,606.44-324,442.80

Finding the Fourth Proportional to 1,271,072.40, 1,906,606.44 and 324,442.80

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Solution

The fourth proportional to 1,271,072.40, 1,906,606.44 and 324,442.80 is: 486,663.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,271,072.40 : 1,906,606.44 = 324,442.80 : x
  2. Step 2: Convert to fraction form
    1,271,072.40/1,906,606.44 = 324,442.80/x
  3. Step 3: Cross multiply
    1,271,072.40x = 1,906,606.44 × 324,442.80
  4. Step 4: Simplify right side
    1,271,072.40x = 618,584,731,891.63
  5. Step 5: Solve for x
    x = 618,584,731,891.63/1,271,072.40
  6. Step 6: Final answer
    x = 486,663.65

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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.