Home / 1,231,710.80-1,848,180.60-699,640.40

Finding the Fourth Proportional to 1,231,710.80, 1,848,180.60 and 699,640.40

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Solution

The fourth proportional to 1,231,710.80, 1,848,180.60 and 699,640.40 is: 1,049,809.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,231,710.80 : 1,848,180.60 = 699,640.40 : x
  2. Step 2: Convert to fraction form
    1,231,710.80/1,848,180.60 = 699,640.40/x
  3. Step 3: Cross multiply
    1,231,710.80x = 1,848,180.60 × 699,640.40
  4. Step 4: Simplify right side
    1,231,710.80x = 1,293,061,814,256.24
  5. Step 5: Solve for x
    x = 1,293,061,814,256.24/1,231,710.80
  6. Step 6: Final answer
    x = 1,049,809.59

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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.