Home / 1,428,347.88-2,141,027.22-481,391.64

Finding the Fourth Proportional to 1,428,347.88, 2,141,027.22 and 481,391.64

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Solution

The fourth proportional to 1,428,347.88, 2,141,027.22 and 481,391.64 is: 721,583.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,347.88 : 2,141,027.22 = 481,391.64 : x
  2. Step 2: Convert to fraction form
    1,428,347.88/2,141,027.22 = 481,391.64/x
  3. Step 3: Cross multiply
    1,428,347.88x = 2,141,027.22 × 481,391.64
  4. Step 4: Simplify right side
    1,428,347.88x = 1,030,672,604,720.44
  5. Step 5: Solve for x
    x = 1,030,672,604,720.44/1,428,347.88
  6. Step 6: Final answer
    x = 721,583.74

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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.