Home / 1,420,187.68-1,959,872.48-808,310.56

Finding the Fourth Proportional to 1,420,187.68, 1,959,872.48 and 808,310.56

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Solution

The fourth proportional to 1,420,187.68, 1,959,872.48 and 808,310.56 is: 1,115,476.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,420,187.68 : 1,959,872.48 = 808,310.56 : x
  2. Step 2: Convert to fraction form
    1,420,187.68/1,959,872.48 = 808,310.56/x
  3. Step 3: Cross multiply
    1,420,187.68x = 1,959,872.48 × 808,310.56
  4. Step 4: Simplify right side
    1,420,187.68x = 1,584,185,621,837.39
  5. Step 5: Solve for x
    x = 1,584,185,621,837.39/1,420,187.68
  6. Step 6: Final answer
    x = 1,115,476.25

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.