Home / 1,670,832.56-2,305,687.20-906,869.72

Finding the Fourth Proportional to 1,670,832.56, 2,305,687.20 and 906,869.72

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Solution

The fourth proportional to 1,670,832.56, 2,305,687.20 and 906,869.72 is: 1,251,446.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,670,832.56 : 2,305,687.20 = 906,869.72 : x
  2. Step 2: Convert to fraction form
    1,670,832.56/2,305,687.20 = 906,869.72/x
  3. Step 3: Cross multiply
    1,670,832.56x = 2,305,687.20 × 906,869.72
  4. Step 4: Simplify right side
    1,670,832.56x = 2,090,957,905,471.58
  5. Step 5: Solve for x
    x = 2,090,957,905,471.58/1,670,832.56
  6. Step 6: Final answer
    x = 1,251,446.71

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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.