Home / 1,405,081.50-2,107,622.25-518,617.50

Finding the Fourth Proportional to 1,405,081.50, 2,107,622.25 and 518,617.50

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Solution

The fourth proportional to 1,405,081.50, 2,107,622.25 and 518,617.50 is: 777,926.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,081.50 : 2,107,622.25 = 518,617.50 : x
  2. Step 2: Convert to fraction form
    1,405,081.50/2,107,622.25 = 518,617.50/x
  3. Step 3: Cross multiply
    1,405,081.50x = 2,107,622.25 × 518,617.50
  4. Step 4: Simplify right side
    1,405,081.50x = 1,093,049,782,239.38
  5. Step 5: Solve for x
    x = 1,093,049,782,239.38/1,405,081.50
  6. Step 6: Final answer
    x = 777,926.25

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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.