Home / 1,508,286.31-2,081,426.38-855,035.61

Finding the Fourth Proportional to 1,508,286.31, 2,081,426.38 and 855,035.61

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Solution

The fourth proportional to 1,508,286.31, 2,081,426.38 and 855,035.61 is: 1,179,944.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,286.31 : 2,081,426.38 = 855,035.61 : x
  2. Step 2: Convert to fraction form
    1,508,286.31/2,081,426.38 = 855,035.61/x
  3. Step 3: Cross multiply
    1,508,286.31x = 2,081,426.38 × 855,035.61
  4. Step 4: Simplify right side
    1,508,286.31x = 1,779,693,674,493.39
  5. Step 5: Solve for x
    x = 1,779,693,674,493.39/1,508,286.31
  6. Step 6: Final answer
    x = 1,179,944.19

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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.