Home / 1,422,016-2,133,811.28-851,996.32

Finding the Fourth Proportional to 1,422,016, 2,133,811.28 and 851,996.32

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Solution

The fourth proportional to 1,422,016, 2,133,811.28 and 851,996.32 is: 1,278,466.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,422,016 : 2,133,811.28 = 851,996.32 : x
  2. Step 2: Convert to fraction form
    1,422,016/2,133,811.28 = 851,996.32/x
  3. Step 3: Cross multiply
    1,422,016x = 2,133,811.28 × 851,996.32
  4. Step 4: Simplify right side
    1,422,016x = 1,817,999,358,134.49
  5. Step 5: Solve for x
    x = 1,817,999,358,134.49/1,422,016
  6. Step 6: Final answer
    x = 1,278,466.18

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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.