Home / 1,443,588.96-1,992,121.38-798,970.44

Finding the Fourth Proportional to 1,443,588.96, 1,992,121.38 and 798,970.44

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Solution

The fourth proportional to 1,443,588.96, 1,992,121.38 and 798,970.44 is: 1,102,561.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,588.96 : 1,992,121.38 = 798,970.44 : x
  2. Step 2: Convert to fraction form
    1,443,588.96/1,992,121.38 = 798,970.44/x
  3. Step 3: Cross multiply
    1,443,588.96x = 1,992,121.38 × 798,970.44
  4. Step 4: Simplify right side
    1,443,588.96x = 1,591,646,095,512.01
  5. Step 5: Solve for x
    x = 1,591,646,095,512.01/1,443,588.96
  6. Step 6: Final answer
    x = 1,102,561.84

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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.