Home / 1,078,399.20-1,618,635.60-546,520.80

Finding the Fourth Proportional to 1,078,399.20, 1,618,635.60 and 546,520.80

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Solution

The fourth proportional to 1,078,399.20, 1,618,635.60 and 546,520.80 is: 820,306.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,399.20 : 1,618,635.60 = 546,520.80 : x
  2. Step 2: Convert to fraction form
    1,078,399.20/1,618,635.60 = 546,520.80/x
  3. Step 3: Cross multiply
    1,078,399.20x = 1,618,635.60 × 546,520.80
  4. Step 4: Simplify right side
    1,078,399.20x = 884,618,023,020.48
  5. Step 5: Solve for x
    x = 884,618,023,020.48/1,078,399.20
  6. Step 6: Final answer
    x = 820,306.64

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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.