Home / 1,270,280.76-1,752,942.04-718,984.63

Finding the Fourth Proportional to 1,270,280.76, 1,752,942.04 and 718,984.63

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Solution

The fourth proportional to 1,270,280.76, 1,752,942.04 and 718,984.63 is: 992,173.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,270,280.76 : 1,752,942.04 = 718,984.63 : x
  2. Step 2: Convert to fraction form
    1,270,280.76/1,752,942.04 = 718,984.63/x
  3. Step 3: Cross multiply
    1,270,280.76x = 1,752,942.04 × 718,984.63
  4. Step 4: Simplify right side
    1,270,280.76x = 1,260,338,384,434.56
  5. Step 5: Solve for x
    x = 1,260,338,384,434.56/1,270,280.76
  6. Step 6: Final answer
    x = 992,173.09

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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.