Home / 1,783,687.68-2,675,940.17-772,979.22

Finding the Fourth Proportional to 1,783,687.68, 2,675,940.17 and 772,979.22

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Solution

The fourth proportional to 1,783,687.68, 2,675,940.17 and 772,979.22 is: 1,159,645.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,687.68 : 2,675,940.17 = 772,979.22 : x
  2. Step 2: Convert to fraction form
    1,783,687.68/2,675,940.17 = 772,979.22/x
  3. Step 3: Cross multiply
    1,783,687.68x = 2,675,940.17 × 772,979.22
  4. Step 4: Simplify right side
    1,783,687.68x = 2,068,446,141,508.37
  5. Step 5: Solve for x
    x = 2,068,446,141,508.37/1,783,687.68
  6. Step 6: Final answer
    x = 1,159,645.92

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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.