Home / 1,121,213.56-1,682,065.59-363,131.63

Finding the Fourth Proportional to 1,121,213.56, 1,682,065.59 and 363,131.63

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Solution

The fourth proportional to 1,121,213.56, 1,682,065.59 and 363,131.63 is: 544,776.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,213.56 : 1,682,065.59 = 363,131.63 : x
  2. Step 2: Convert to fraction form
    1,121,213.56/1,682,065.59 = 363,131.63/x
  3. Step 3: Cross multiply
    1,121,213.56x = 1,682,065.59 × 363,131.63
  4. Step 4: Simplify right side
    1,121,213.56x = 610,811,219,463.61
  5. Step 5: Solve for x
    x = 610,811,219,463.61/1,121,213.56
  6. Step 6: Final answer
    x = 544,776.88

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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.