Home / 1,122,418.80-1,548,912.78-613,123.20

Finding the Fourth Proportional to 1,122,418.80, 1,548,912.78 and 613,123.20

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Solution

The fourth proportional to 1,122,418.80, 1,548,912.78 and 613,123.20 is: 846,096.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,418.80 : 1,548,912.78 = 613,123.20 : x
  2. Step 2: Convert to fraction form
    1,122,418.80/1,548,912.78 = 613,123.20/x
  3. Step 3: Cross multiply
    1,122,418.80x = 1,548,912.78 × 613,123.20
  4. Step 4: Simplify right side
    1,122,418.80x = 949,674,360,194.50
  5. Step 5: Solve for x
    x = 949,674,360,194.50/1,122,418.80
  6. Step 6: Final answer
    x = 846,096.27

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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.