Home / 1,158,672.20-1,738,008.30-317,222.60

Finding the Fourth Proportional to 1,158,672.20, 1,738,008.30 and 317,222.60

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Solution

The fourth proportional to 1,158,672.20, 1,738,008.30 and 317,222.60 is: 475,833.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,672.20 : 1,738,008.30 = 317,222.60 : x
  2. Step 2: Convert to fraction form
    1,158,672.20/1,738,008.30 = 317,222.60/x
  3. Step 3: Cross multiply
    1,158,672.20x = 1,738,008.30 × 317,222.60
  4. Step 4: Simplify right side
    1,158,672.20x = 551,335,511,747.58
  5. Step 5: Solve for x
    x = 551,335,511,747.58/1,158,672.20
  6. Step 6: Final answer
    x = 475,833.90

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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.