Home / 1,079,274.39-1,618,629.47-320,911.62

Finding the Fourth Proportional to 1,079,274.39, 1,618,629.47 and 320,911.62

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Solution

The fourth proportional to 1,079,274.39, 1,618,629.47 and 320,911.62 is: 481,283.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,274.39 : 1,618,629.47 = 320,911.62 : x
  2. Step 2: Convert to fraction form
    1,079,274.39/1,618,629.47 = 320,911.62/x
  3. Step 3: Cross multiply
    1,079,274.39x = 1,618,629.47 × 320,911.62
  4. Step 4: Simplify right side
    1,079,274.39x = 519,437,005,397.44
  5. Step 5: Solve for x
    x = 519,437,005,397.44/1,079,274.39
  6. Step 6: Final answer
    x = 481,283.55

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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.