Home / 1,131,080.43-1,696,605.71-278,159.44

Finding the Fourth Proportional to 1,131,080.43, 1,696,605.71 and 278,159.44

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Solution

The fourth proportional to 1,131,080.43, 1,696,605.71 and 278,159.44 is: 417,235.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,080.43 : 1,696,605.71 = 278,159.44 : x
  2. Step 2: Convert to fraction form
    1,131,080.43/1,696,605.71 = 278,159.44/x
  3. Step 3: Cross multiply
    1,131,080.43x = 1,696,605.71 × 278,159.44
  4. Step 4: Simplify right side
    1,131,080.43x = 471,926,894,194.40
  5. Step 5: Solve for x
    x = 471,926,894,194.40/1,131,080.43
  6. Step 6: Final answer
    x = 417,235.49

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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.