Home / 1,105,722.38-1,526,367.70-743,356.41

Finding the Fourth Proportional to 1,105,722.38, 1,526,367.70 and 743,356.41

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Solution

The fourth proportional to 1,105,722.38, 1,526,367.70 and 743,356.41 is: 1,026,148.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,722.38 : 1,526,367.70 = 743,356.41 : x
  2. Step 2: Convert to fraction form
    1,105,722.38/1,526,367.70 = 743,356.41/x
  3. Step 3: Cross multiply
    1,105,722.38x = 1,526,367.70 × 743,356.41
  4. Step 4: Simplify right side
    1,105,722.38x = 1,134,635,217,714.62
  5. Step 5: Solve for x
    x = 1,134,635,217,714.62/1,105,722.38
  6. Step 6: Final answer
    x = 1,026,148.37

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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.