Home / 1,428,565.45-2,142,716.96-481,944.37

Finding the Fourth Proportional to 1,428,565.45, 2,142,716.96 and 481,944.37

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Solution

The fourth proportional to 1,428,565.45, 2,142,716.96 and 481,944.37 is: 722,872.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,565.45 : 2,142,716.96 = 481,944.37 : x
  2. Step 2: Convert to fraction form
    1,428,565.45/2,142,716.96 = 481,944.37/x
  3. Step 3: Cross multiply
    1,428,565.45x = 2,142,716.96 × 481,944.37
  4. Step 4: Simplify right side
    1,428,565.45x = 1,032,670,375,644.19
  5. Step 5: Solve for x
    x = 1,032,670,375,644.19/1,428,565.45
  6. Step 6: Final answer
    x = 722,872.29

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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.