Home / 1,019,562.75-1,529,344.05-485,464.55

Finding the Fourth Proportional to 1,019,562.75, 1,529,344.05 and 485,464.55

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Solution

The fourth proportional to 1,019,562.75, 1,529,344.05 and 485,464.55 is: 728,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,562.75 : 1,529,344.05 = 485,464.55 : x
  2. Step 2: Convert to fraction form
    1,019,562.75/1,529,344.05 = 485,464.55/x
  3. Step 3: Cross multiply
    1,019,562.75x = 1,529,344.05 × 485,464.55
  4. Step 4: Simplify right side
    1,019,562.75x = 742,442,321,028.43
  5. Step 5: Solve for x
    x = 742,442,321,028.43/1,019,562.75
  6. Step 6: Final answer
    x = 728,196.79

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Double scale
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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.