Home / 1,869,027.66-2,802,343.77-789,247.71

Finding the Fourth Proportional to 1,869,027.66, 2,802,343.77 and 789,247.71

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Solution

The fourth proportional to 1,869,027.66, 2,802,343.77 and 789,247.71 is: 1,183,365.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,869,027.66 : 2,802,343.77 = 789,247.71 : x
  2. Step 2: Convert to fraction form
    1,869,027.66/2,802,343.77 = 789,247.71/x
  3. Step 3: Cross multiply
    1,869,027.66x = 2,802,343.77 × 789,247.71
  4. Step 4: Simplify right side
    1,869,027.66x = 2,211,743,403,105.27
  5. Step 5: Solve for x
    x = 2,211,743,403,105.27/1,869,027.66
  6. Step 6: Final answer
    x = 1,183,365.80

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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.