Home / 1,272,016.92-1,908,005.94-325,379.64

Finding the Fourth Proportional to 1,272,016.92, 1,908,005.94 and 325,379.64

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Solution

The fourth proportional to 1,272,016.92, 1,908,005.94 and 325,379.64 is: 488,064.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,016.92 : 1,908,005.94 = 325,379.64 : x
  2. Step 2: Convert to fraction form
    1,272,016.92/1,908,005.94 = 325,379.64/x
  3. Step 3: Cross multiply
    1,272,016.92x = 1,908,005.94 × 325,379.64
  4. Step 4: Simplify right side
    1,272,016.92x = 620,826,285,875.06
  5. Step 5: Solve for x
    x = 620,826,285,875.06/1,272,016.92
  6. Step 6: Final answer
    x = 488,064.49

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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.