Home / 1,448,667.32-2,175,133.64-810,221.88

Finding the Fourth Proportional to 1,448,667.32, 2,175,133.64 and 810,221.88

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Solution

The fourth proportional to 1,448,667.32, 2,175,133.64 and 810,221.88 is: 1,216,525.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,448,667.32 : 2,175,133.64 = 810,221.88 : x
  2. Step 2: Convert to fraction form
    1,448,667.32/2,175,133.64 = 810,221.88/x
  3. Step 3: Cross multiply
    1,448,667.32x = 2,175,133.64 × 810,221.88
  4. Step 4: Simplify right side
    1,448,667.32x = 1,762,340,867,052.04
  5. Step 5: Solve for x
    x = 1,762,340,867,052.04/1,448,667.32
  6. Step 6: Final answer
    x = 1,216,525.59

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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.