Home / 1,078,232.80-1,617,057.60-320,072.80

Finding the Fourth Proportional to 1,078,232.80, 1,617,057.60 and 320,072.80

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Solution

The fourth proportional to 1,078,232.80, 1,617,057.60 and 320,072.80 is: 480,022.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,232.80 : 1,617,057.60 = 320,072.80 : x
  2. Step 2: Convert to fraction form
    1,078,232.80/1,617,057.60 = 320,072.80/x
  3. Step 3: Cross multiply
    1,078,232.80x = 1,617,057.60 × 320,072.80
  4. Step 4: Simplify right side
    1,078,232.80x = 517,576,153,793.28
  5. Step 5: Solve for x
    x = 517,576,153,793.28/1,078,232.80
  6. Step 6: Final answer
    x = 480,022.64

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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.