Home / 1,670,736.92-2,305,619.24-906,790.55

Finding the Fourth Proportional to 1,670,736.92, 2,305,619.24 and 906,790.55

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Solution

The fourth proportional to 1,670,736.92, 2,305,619.24 and 906,790.55 is: 1,251,372.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,736.92 : 2,305,619.24 = 906,790.55 : x
  2. Step 2: Convert to fraction form
    1,670,736.92/2,305,619.24 = 906,790.55/x
  3. Step 3: Cross multiply
    1,670,736.92x = 2,305,619.24 × 906,790.55
  4. Step 4: Simplify right side
    1,670,736.92x = 2,090,713,722,668.13
  5. Step 5: Solve for x
    x = 2,090,713,722,668.13/1,670,736.92
  6. Step 6: Final answer
    x = 1,251,372.20

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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.