Home / 1,078,337.20-1,618,542.60-546,458.80

Finding the Fourth Proportional to 1,078,337.20, 1,618,542.60 and 546,458.80

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Solution

The fourth proportional to 1,078,337.20, 1,618,542.60 and 546,458.80 is: 820,213.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,337.20 : 1,618,542.60 = 546,458.80 : x
  2. Step 2: Convert to fraction form
    1,078,337.20/1,618,542.60 = 546,458.80/x
  3. Step 3: Cross multiply
    1,078,337.20x = 1,618,542.60 × 546,458.80
  4. Step 4: Simplify right side
    1,078,337.20x = 884,466,846,944.88
  5. Step 5: Solve for x
    x = 884,466,846,944.88/1,078,337.20
  6. Step 6: Final answer
    x = 820,213.61

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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.