Home / 1,443,103.92-1,991,400.36-798,491.70

Finding the Fourth Proportional to 1,443,103.92, 1,991,400.36 and 798,491.70

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Solution

The fourth proportional to 1,443,103.92, 1,991,400.36 and 798,491.70 is: 1,101,872.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,103.92 : 1,991,400.36 = 798,491.70 : x
  2. Step 2: Convert to fraction form
    1,443,103.92/1,991,400.36 = 798,491.70/x
  3. Step 3: Cross multiply
    1,443,103.92x = 1,991,400.36 × 798,491.70
  4. Step 4: Simplify right side
    1,443,103.92x = 1,590,116,658,837.01
  5. Step 5: Solve for x
    x = 1,590,116,658,837.01/1,443,103.92
  6. Step 6: Final answer
    x = 1,101,872.59

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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.