Home / 1,443,129.28-1,991,521.92-798,593.56

Finding the Fourth Proportional to 1,443,129.28, 1,991,521.92 and 798,593.56

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Solution

The fourth proportional to 1,443,129.28, 1,991,521.92 and 798,593.56 is: 1,102,061.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,129.28 : 1,991,521.92 = 798,593.56 : x
  2. Step 2: Convert to fraction form
    1,443,129.28/1,991,521.92 = 798,593.56/x
  3. Step 3: Cross multiply
    1,443,129.28x = 1,991,521.92 × 798,593.56
  4. Step 4: Simplify right side
    1,443,129.28x = 1,590,416,579,910.84
  5. Step 5: Solve for x
    x = 1,590,416,579,910.84/1,443,129.28
  6. Step 6: Final answer
    x = 1,102,061.06

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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.