Home / 1,004,867.74-1,386,163.80-636,671.26

Finding the Fourth Proportional to 1,004,867.74, 1,386,163.80 and 636,671.26

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Solution

The fourth proportional to 1,004,867.74, 1,386,163.80 and 636,671.26 is: 878,255.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,867.74 : 1,386,163.80 = 636,671.26 : x
  2. Step 2: Convert to fraction form
    1,004,867.74/1,386,163.80 = 636,671.26/x
  3. Step 3: Cross multiply
    1,004,867.74x = 1,386,163.80 × 636,671.26
  4. Step 4: Simplify right side
    1,004,867.74x = 882,530,653,112.39
  5. Step 5: Solve for x
    x = 882,530,653,112.39/1,004,867.74
  6. Step 6: Final answer
    x = 878,255.53

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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.