Home / 1,008,456.92-1,391,670.79-549,571.62

Finding the Fourth Proportional to 1,008,456.92, 1,391,670.79 and 549,571.62

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Solution

The fourth proportional to 1,008,456.92, 1,391,670.79 and 549,571.62 is: 758,408.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,456.92 : 1,391,670.79 = 549,571.62 : x
  2. Step 2: Convert to fraction form
    1,008,456.92/1,391,670.79 = 549,571.62/x
  3. Step 3: Cross multiply
    1,008,456.92x = 1,391,670.79 × 549,571.62
  4. Step 4: Simplify right side
    1,008,456.92x = 764,822,770,566.98
  5. Step 5: Solve for x
    x = 764,822,770,566.98/1,008,456.92
  6. Step 6: Final answer
    x = 758,408.97

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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.