Home / 1,079,268.98-1,618,621.44-320,906.28

Finding the Fourth Proportional to 1,079,268.98, 1,618,621.44 and 320,906.28

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Solution

The fourth proportional to 1,079,268.98, 1,618,621.44 and 320,906.28 is: 481,275.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,268.98 : 1,618,621.44 = 320,906.28 : x
  2. Step 2: Convert to fraction form
    1,079,268.98/1,618,621.44 = 320,906.28/x
  3. Step 3: Cross multiply
    1,079,268.98x = 1,618,621.44 × 320,906.28
  4. Step 4: Simplify right side
    1,079,268.98x = 519,425,785,038.64
  5. Step 5: Solve for x
    x = 519,425,785,038.64/1,079,268.98
  6. Step 6: Final answer
    x = 481,275.56

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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.