Home / 1,275,489.08-1,760,108.42-792,043.82

Finding the Fourth Proportional to 1,275,489.08, 1,760,108.42 and 792,043.82

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Solution

The fourth proportional to 1,275,489.08, 1,760,108.42 and 792,043.82 is: 1,092,979.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,489.08 : 1,760,108.42 = 792,043.82 : x
  2. Step 2: Convert to fraction form
    1,275,489.08/1,760,108.42 = 792,043.82/x
  3. Step 3: Cross multiply
    1,275,489.08x = 1,760,108.42 × 792,043.82
  4. Step 4: Simplify right side
    1,275,489.08x = 1,394,082,996,590.96
  5. Step 5: Solve for x
    x = 1,394,082,996,590.96/1,275,489.08
  6. Step 6: Final answer
    x = 1,092,979.17

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.