Home / 1,383,479.44-1,909,184.52-779,867.44

Finding the Fourth Proportional to 1,383,479.44, 1,909,184.52 and 779,867.44

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Solution

The fourth proportional to 1,383,479.44, 1,909,184.52 and 779,867.44 is: 1,076,207.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,383,479.44 : 1,909,184.52 = 779,867.44 : x
  2. Step 2: Convert to fraction form
    1,383,479.44/1,909,184.52 = 779,867.44/x
  3. Step 3: Cross multiply
    1,383,479.44x = 1,909,184.52 × 779,867.44
  4. Step 4: Simplify right side
    1,383,479.44x = 1,488,910,844,100.03
  5. Step 5: Solve for x
    x = 1,488,910,844,100.03/1,383,479.44
  6. Step 6: Final answer
    x = 1,076,207.42

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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.