Home / 1,413,814.32-1,951,072.20-769,239.36

Finding the Fourth Proportional to 1,413,814.32, 1,951,072.20 and 769,239.36

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Solution

The fourth proportional to 1,413,814.32, 1,951,072.20 and 769,239.36 is: 1,061,554.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,413,814.32 : 1,951,072.20 = 769,239.36 : x
  2. Step 2: Convert to fraction form
    1,413,814.32/1,951,072.20 = 769,239.36/x
  3. Step 3: Cross multiply
    1,413,814.32x = 1,951,072.20 × 769,239.36
  4. Step 4: Simplify right side
    1,413,814.32x = 1,500,841,530,441.79
  5. Step 5: Solve for x
    x = 1,500,841,530,441.79/1,413,814.32
  6. Step 6: Final answer
    x = 1,061,554.91

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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.