Home / 1,261,375.20-1,891,479.60-551,037.60

Finding the Fourth Proportional to 1,261,375.20, 1,891,479.60 and 551,037.60

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Solution

The fourth proportional to 1,261,375.20, 1,891,479.60 and 551,037.60 is: 826,301.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,261,375.20 : 1,891,479.60 = 551,037.60 : x
  2. Step 2: Convert to fraction form
    1,261,375.20/1,891,479.60 = 551,037.60/x
  3. Step 3: Cross multiply
    1,261,375.20x = 1,891,479.60 × 551,037.60
  4. Step 4: Simplify right side
    1,261,375.20x = 1,042,276,379,232.96
  5. Step 5: Solve for x
    x = 1,042,276,379,232.96/1,261,375.20
  6. Step 6: Final answer
    x = 826,301.63

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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.