Home / 1,428,566.08-2,142,717.89-481,945

Finding the Fourth Proportional to 1,428,566.08, 2,142,717.89 and 481,945

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Solution

The fourth proportional to 1,428,566.08, 2,142,717.89 and 481,945 is: 722,873.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,428,566.08 : 2,142,717.89 = 481,945 : x
  2. Step 2: Convert to fraction form
    1,428,566.08/2,142,717.89 = 481,945/x
  3. Step 3: Cross multiply
    1,428,566.08x = 2,142,717.89 × 481,945
  4. Step 4: Simplify right side
    1,428,566.08x = 1,032,672,173,496.05
  5. Step 5: Solve for x
    x = 1,032,672,173,496.05/1,428,566.08
  6. Step 6: Final answer
    x = 722,873.23

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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.