Home / 1,715,696.72-2,571,871.52-816,896.96

Finding the Fourth Proportional to 1,715,696.72, 2,571,871.52 and 816,896.96

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Solution

The fourth proportional to 1,715,696.72, 2,571,871.52 and 816,896.96 is: 1,224,548.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,715,696.72 : 2,571,871.52 = 816,896.96 : x
  2. Step 2: Convert to fraction form
    1,715,696.72/2,571,871.52 = 816,896.96/x
  3. Step 3: Cross multiply
    1,715,696.72x = 2,571,871.52 × 816,896.96
  4. Step 4: Simplify right side
    1,715,696.72x = 2,100,954,026,198.58
  5. Step 5: Solve for x
    x = 2,100,954,026,198.58/1,715,696.72
  6. Step 6: Final answer
    x = 1,224,548.61

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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.