Home / 1,011,736.20-1,517,604.30-263,782.20

Finding the Fourth Proportional to 1,011,736.20, 1,517,604.30 and 263,782.20

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Solution

The fourth proportional to 1,011,736.20, 1,517,604.30 and 263,782.20 is: 395,673.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,736.20 : 1,517,604.30 = 263,782.20 : x
  2. Step 2: Convert to fraction form
    1,011,736.20/1,517,604.30 = 263,782.20/x
  3. Step 3: Cross multiply
    1,011,736.20x = 1,517,604.30 × 263,782.20
  4. Step 4: Simplify right side
    1,011,736.20x = 400,317,000,983.46
  5. Step 5: Solve for x
    x = 400,317,000,983.46/1,011,736.20
  6. Step 6: Final answer
    x = 395,673.30

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Double scale
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Similar ratio
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1.5x scale

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.