Home / 1,722,336.24-2,581,142.40-1,090,121.52

Finding the Fourth Proportional to 1,722,336.24, 2,581,142.40 and 1,090,121.52

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Solution

The fourth proportional to 1,722,336.24, 2,581,142.40 and 1,090,121.52 is: 1,633,687.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,722,336.24 : 2,581,142.40 = 1,090,121.52 : x
  2. Step 2: Convert to fraction form
    1,722,336.24/2,581,142.40 = 1,090,121.52/x
  3. Step 3: Cross multiply
    1,722,336.24x = 2,581,142.40 × 1,090,121.52
  4. Step 4: Simplify right side
    1,722,336.24x = 2,813,758,876,424.45
  5. Step 5: Solve for x
    x = 2,813,758,876,424.45/1,722,336.24
  6. Step 6: Final answer
    x = 1,633,687.32

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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.