Home / 812,989.33-1,219,225.64-759,919.04

Finding the Fourth Proportional to 812,989.33, 1,219,225.64 and 759,919.04

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Solution

The fourth proportional to 812,989.33, 1,219,225.64 and 759,919.04 is: 1,139,637.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    812,989.33 : 1,219,225.64 = 759,919.04 : x
  2. Step 2: Convert to fraction form
    812,989.33/1,219,225.64 = 759,919.04/x
  3. Step 3: Cross multiply
    812,989.33x = 1,219,225.64 × 759,919.04
  4. Step 4: Simplify right side
    812,989.33x = 926,512,771,796.06
  5. Step 5: Solve for x
    x = 926,512,771,796.06/812,989.33
  6. Step 6: Final answer
    x = 1,139,637.07

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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.