Home / 1,479,943.28-2,042,326.86-800,879.60

Finding the Fourth Proportional to 1,479,943.28, 2,042,326.86 and 800,879.60

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Solution

The fourth proportional to 1,479,943.28, 2,042,326.86 and 800,879.60 is: 1,105,216.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,479,943.28 : 2,042,326.86 = 800,879.60 : x
  2. Step 2: Convert to fraction form
    1,479,943.28/2,042,326.86 = 800,879.60/x
  3. Step 3: Cross multiply
    1,479,943.28x = 2,042,326.86 × 800,879.60
  4. Step 4: Simplify right side
    1,479,943.28x = 1,635,657,918,706.06
  5. Step 5: Solve for x
    x = 1,635,657,918,706.06/1,479,943.28
  6. Step 6: Final answer
    x = 1,105,216.63

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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.