Home / 1,079,274.90-1,618,630.23-320,912.13

Finding the Fourth Proportional to 1,079,274.90, 1,618,630.23 and 320,912.13

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Solution

The fourth proportional to 1,079,274.90, 1,618,630.23 and 320,912.13 is: 481,284.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,274.90 : 1,618,630.23 = 320,912.13 : x
  2. Step 2: Convert to fraction form
    1,079,274.90/1,618,630.23 = 320,912.13/x
  3. Step 3: Cross multiply
    1,079,274.90x = 1,618,630.23 × 320,912.13
  4. Step 4: Simplify right side
    1,079,274.90x = 519,438,074,791.69
  5. Step 5: Solve for x
    x = 519,438,074,791.69/1,079,274.90
  6. Step 6: Final answer
    x = 481,284.31

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1.5x scale

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.