Home / 1,272,016.42-1,908,005.19-325,379.14

Finding the Fourth Proportional to 1,272,016.42, 1,908,005.19 and 325,379.14

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Solution

The fourth proportional to 1,272,016.42, 1,908,005.19 and 325,379.14 is: 488,063.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,016.42 : 1,908,005.19 = 325,379.14 : x
  2. Step 2: Convert to fraction form
    1,272,016.42/1,908,005.19 = 325,379.14/x
  3. Step 3: Cross multiply
    1,272,016.42x = 1,908,005.19 × 325,379.14
  4. Step 4: Simplify right side
    1,272,016.42x = 620,825,087,837.74
  5. Step 5: Solve for x
    x = 620,825,087,837.74/1,272,016.42
  6. Step 6: Final answer
    x = 488,063.74

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1.5x scale

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.