Home / 1,079,369.75-1,488,145.68-885,061.55

Finding the Fourth Proportional to 1,079,369.75, 1,488,145.68 and 885,061.55

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Solution

The fourth proportional to 1,079,369.75, 1,488,145.68 and 885,061.55 is: 1,220,249.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,369.75 : 1,488,145.68 = 885,061.55 : x
  2. Step 2: Convert to fraction form
    1,079,369.75/1,488,145.68 = 885,061.55/x
  3. Step 3: Cross multiply
    1,079,369.75x = 1,488,145.68 × 885,061.55
  4. Step 4: Simplify right side
    1,079,369.75x = 1,317,100,522,166.60
  5. Step 5: Solve for x
    x = 1,317,100,522,166.60/1,079,369.75
  6. Step 6: Final answer
    x = 1,220,249.62

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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.