Home / 1,272,105.01-1,908,147.78-325,474.21

Finding the Fourth Proportional to 1,272,105.01, 1,908,147.78 and 325,474.21

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Solution

The fourth proportional to 1,272,105.01, 1,908,147.78 and 325,474.21 is: 488,208.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,272,105.01 : 1,908,147.78 = 325,474.21 : x
  2. Step 2: Convert to fraction form
    1,272,105.01/1,908,147.78 = 325,474.21/x
  3. Step 3: Cross multiply
    1,272,105.01x = 1,908,147.78 × 325,474.21
  4. Step 4: Simplify right side
    1,272,105.01x = 621,052,891,258.75
  5. Step 5: Solve for x
    x = 621,052,891,258.75/1,272,105.01
  6. Step 6: Final answer
    x = 488,208.82

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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.