Home / 1,348,491.72-1,860,912.90-744,879.72

Finding the Fourth Proportional to 1,348,491.72, 1,860,912.90 and 744,879.72

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Solution

The fourth proportional to 1,348,491.72, 1,860,912.90 and 744,879.72 is: 1,027,930.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,348,491.72 : 1,860,912.90 = 744,879.72 : x
  2. Step 2: Convert to fraction form
    1,348,491.72/1,860,912.90 = 744,879.72/x
  3. Step 3: Cross multiply
    1,348,491.72x = 1,860,912.90 × 744,879.72
  4. Step 4: Simplify right side
    1,348,491.72x = 1,386,156,279,896.39
  5. Step 5: Solve for x
    x = 1,386,156,279,896.39/1,348,491.72
  6. Step 6: Final answer
    x = 1,027,930.88

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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.