Home / 1,158,680.20-1,738,020.30-317,230.60

Finding the Fourth Proportional to 1,158,680.20, 1,738,020.30 and 317,230.60

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Solution

The fourth proportional to 1,158,680.20, 1,738,020.30 and 317,230.60 is: 475,845.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,680.20 : 1,738,020.30 = 317,230.60 : x
  2. Step 2: Convert to fraction form
    1,158,680.20/1,738,020.30 = 317,230.60/x
  3. Step 3: Cross multiply
    1,158,680.20x = 1,738,020.30 × 317,230.60
  4. Step 4: Simplify right side
    1,158,680.20x = 551,353,222,581.18
  5. Step 5: Solve for x
    x = 551,353,222,581.18/1,158,680.20
  6. Step 6: Final answer
    x = 475,845.90

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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.