Home / 1,078,252.80-1,617,087.60-320,092.80

Finding the Fourth Proportional to 1,078,252.80, 1,617,087.60 and 320,092.80

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Solution

The fourth proportional to 1,078,252.80, 1,617,087.60 and 320,092.80 is: 480,052.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,252.80 : 1,617,087.60 = 320,092.80 : x
  2. Step 2: Convert to fraction form
    1,078,252.80/1,617,087.60 = 320,092.80/x
  3. Step 3: Cross multiply
    1,078,252.80x = 1,617,087.60 × 320,092.80
  4. Step 4: Simplify right side
    1,078,252.80x = 517,618,097,729.28
  5. Step 5: Solve for x
    x = 517,618,097,729.28/1,078,252.80
  6. Step 6: Final answer
    x = 480,052.63

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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.