Home / 1,443,324.83-1,991,707.22-789,949.51

Finding the Fourth Proportional to 1,443,324.83, 1,991,707.22 and 789,949.51

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Solution

The fourth proportional to 1,443,324.83, 1,991,707.22 and 789,949.51 is: 1,090,085.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,324.83 : 1,991,707.22 = 789,949.51 : x
  2. Step 2: Convert to fraction form
    1,443,324.83/1,991,707.22 = 789,949.51/x
  3. Step 3: Cross multiply
    1,443,324.83x = 1,991,707.22 × 789,949.51
  4. Step 4: Simplify right side
    1,443,324.83x = 1,573,348,143,531.98
  5. Step 5: Solve for x
    x = 1,573,348,143,531.98/1,443,324.83
  6. Step 6: Final answer
    x = 1,090,085.97

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.