Home / 1,098,777.55-1,647,827.34-388,642.25

Finding the Fourth Proportional to 1,098,777.55, 1,647,827.34 and 388,642.25

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Solution

The fourth proportional to 1,098,777.55, 1,647,827.34 and 388,642.25 is: 582,843.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,777.55 : 1,647,827.34 = 388,642.25 : x
  2. Step 2: Convert to fraction form
    1,098,777.55/1,647,827.34 = 388,642.25/x
  3. Step 3: Cross multiply
    1,098,777.55x = 1,647,827.34 × 388,642.25
  4. Step 4: Simplify right side
    1,098,777.55x = 640,415,315,332.57
  5. Step 5: Solve for x
    x = 640,415,315,332.57/1,098,777.55
  6. Step 6: Final answer
    x = 582,843.47

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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.