Home / 1,480,054.40-2,221,118.40-639,209.60

Finding the Fourth Proportional to 1,480,054.40, 2,221,118.40 and 639,209.60

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Solution

The fourth proportional to 1,480,054.40, 2,221,118.40 and 639,209.60 is: 959,262.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,480,054.40 : 2,221,118.40 = 639,209.60 : x
  2. Step 2: Convert to fraction form
    1,480,054.40/2,221,118.40 = 639,209.60/x
  3. Step 3: Cross multiply
    1,480,054.40x = 2,221,118.40 × 639,209.60
  4. Step 4: Simplify right side
    1,480,054.40x = 1,419,760,204,016.64
  5. Step 5: Solve for x
    x = 1,419,760,204,016.64/1,480,054.40
  6. Step 6: Final answer
    x = 959,262.18

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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.