Home / 1,079,367.75-1,488,142.92-885,059.55

Finding the Fourth Proportional to 1,079,367.75, 1,488,142.92 and 885,059.55

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Solution

The fourth proportional to 1,079,367.75, 1,488,142.92 and 885,059.55 is: 1,220,246.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,367.75 : 1,488,142.92 = 885,059.55 : x
  2. Step 2: Convert to fraction form
    1,079,367.75/1,488,142.92 = 885,059.55/x
  3. Step 3: Cross multiply
    1,079,367.75x = 1,488,142.92 × 885,059.55
  4. Step 4: Simplify right side
    1,079,367.75x = 1,317,095,103,110.89
  5. Step 5: Solve for x
    x = 1,317,095,103,110.89/1,079,367.75
  6. Step 6: Final answer
    x = 1,220,246.86

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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.