Home / 1,079,275.16-1,618,630.84-320,912.44

Finding the Fourth Proportional to 1,079,275.16, 1,618,630.84 and 320,912.44

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Solution

The fourth proportional to 1,079,275.16, 1,618,630.84 and 320,912.44 is: 481,284.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,275.16 : 1,618,630.84 = 320,912.44 : x
  2. Step 2: Convert to fraction form
    1,079,275.16/1,618,630.84 = 320,912.44/x
  3. Step 3: Cross multiply
    1,079,275.16x = 1,618,630.84 × 320,912.44
  4. Step 4: Simplify right side
    1,079,275.16x = 519,438,772,323.65
  5. Step 5: Solve for x
    x = 519,438,772,323.65/1,079,275.16
  6. Step 6: Final answer
    x = 481,284.84

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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.