Home / 1,158,676.20-1,738,014.30-317,226.60

Finding the Fourth Proportional to 1,158,676.20, 1,738,014.30 and 317,226.60

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Solution

The fourth proportional to 1,158,676.20, 1,738,014.30 and 317,226.60 is: 475,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,676.20 : 1,738,014.30 = 317,226.60 : x
  2. Step 2: Convert to fraction form
    1,158,676.20/1,738,014.30 = 317,226.60/x
  3. Step 3: Cross multiply
    1,158,676.20x = 1,738,014.30 × 317,226.60
  4. Step 4: Simplify right side
    1,158,676.20x = 551,344,367,140.38
  5. Step 5: Solve for x
    x = 551,344,367,140.38/1,158,676.20
  6. Step 6: Final answer
    x = 475,839.90

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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.