Home / 1,042,778.71-1,563,596.59-322,920.58

Finding the Fourth Proportional to 1,042,778.71, 1,563,596.59 and 322,920.58

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Solution

The fourth proportional to 1,042,778.71, 1,563,596.59 and 322,920.58 is: 484,203.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,042,778.71 : 1,563,596.59 = 322,920.58 : x
  2. Step 2: Convert to fraction form
    1,042,778.71/1,563,596.59 = 322,920.58/x
  3. Step 3: Cross multiply
    1,042,778.71x = 1,563,596.59 × 322,920.58
  4. Step 4: Simplify right side
    1,042,778.71x = 504,917,517,728.82
  5. Step 5: Solve for x
    x = 504,917,517,728.82/1,042,778.71
  6. Step 6: Final answer
    x = 484,203.90

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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.