Home / 1,508,311.92-2,081,416.92-829,243.12

Finding the Fourth Proportional to 1,508,311.92, 2,081,416.92 and 829,243.12

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Solution

The fourth proportional to 1,508,311.92, 2,081,416.92 and 829,243.12 is: 1,144,326.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,508,311.92 : 2,081,416.92 = 829,243.12 : x
  2. Step 2: Convert to fraction form
    1,508,311.92/2,081,416.92 = 829,243.12/x
  3. Step 3: Cross multiply
    1,508,311.92x = 2,081,416.92 × 829,243.12
  4. Step 4: Simplify right side
    1,508,311.92x = 1,726,000,660,761.59
  5. Step 5: Solve for x
    x = 1,726,000,660,761.59/1,508,311.92
  6. Step 6: Final answer
    x = 1,144,326.08

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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.