Home / 1,338,270.96-2,005,879.32-539,040.72

Finding the Fourth Proportional to 1,338,270.96, 2,005,879.32 and 539,040.72

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Solution

The fourth proportional to 1,338,270.96, 2,005,879.32 and 539,040.72 is: 807,945.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,338,270.96 : 2,005,879.32 = 539,040.72 : x
  2. Step 2: Convert to fraction form
    1,338,270.96/2,005,879.32 = 539,040.72/x
  3. Step 3: Cross multiply
    1,338,270.96x = 2,005,879.32 × 539,040.72
  4. Step 4: Simplify right side
    1,338,270.96x = 1,081,250,632,885.91
  5. Step 5: Solve for x
    x = 1,081,250,632,885.91/1,338,270.96
  6. Step 6: Final answer
    x = 807,945.97

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.