Home / 1,011,738.20-1,517,607.30-263,784.20

Finding the Fourth Proportional to 1,011,738.20, 1,517,607.30 and 263,784.20

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Solution

The fourth proportional to 1,011,738.20, 1,517,607.30 and 263,784.20 is: 395,676.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,011,738.20 : 1,517,607.30 = 263,784.20 : x
  2. Step 2: Convert to fraction form
    1,011,738.20/1,517,607.30 = 263,784.20/x
  3. Step 3: Cross multiply
    1,011,738.20x = 1,517,607.30 × 263,784.20
  4. Step 4: Simplify right side
    1,011,738.20x = 400,320,827,544.66
  5. Step 5: Solve for x
    x = 400,320,827,544.66/1,011,738.20
  6. Step 6: Final answer
    x = 395,676.30

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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.