Home / 1,428,110.91-2,142,173.70-481,489.83

Finding the Fourth Proportional to 1,428,110.91, 2,142,173.70 and 481,489.83

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Solution

The fourth proportional to 1,428,110.91, 2,142,173.70 and 481,489.83 is: 722,237.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,110.91 : 2,142,173.70 = 481,489.83 : x
  2. Step 2: Convert to fraction form
    1,428,110.91/2,142,173.70 = 481,489.83/x
  3. Step 3: Cross multiply
    1,428,110.91x = 2,142,173.70 × 481,489.83
  4. Step 4: Simplify right side
    1,428,110.91x = 1,031,434,850,643.47
  5. Step 5: Solve for x
    x = 1,031,434,850,643.47/1,428,110.91
  6. Step 6: Final answer
    x = 722,237.22

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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.