Home / 1,236,452.76-1,854,805-426,731.80

Finding the Fourth Proportional to 1,236,452.76, 1,854,805 and 426,731.80

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Solution

The fourth proportional to 1,236,452.76, 1,854,805 and 426,731.80 is: 640,141.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,236,452.76 : 1,854,805 = 426,731.80 : x
  2. Step 2: Convert to fraction form
    1,236,452.76/1,854,805 = 426,731.80/x
  3. Step 3: Cross multiply
    1,236,452.76x = 1,854,805 × 426,731.80
  4. Step 4: Simplify right side
    1,236,452.76x = 791,504,276,299
  5. Step 5: Solve for x
    x = 791,504,276,299/1,236,452.76
  6. Step 6: Final answer
    x = 640,141.14

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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.