Home / 1,078,855.20-1,618,671.60-448,221.60

Finding the Fourth Proportional to 1,078,855.20, 1,618,671.60 and 448,221.60

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Solution

The fourth proportional to 1,078,855.20, 1,618,671.60 and 448,221.60 is: 672,493.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,855.20 : 1,618,671.60 = 448,221.60 : x
  2. Step 2: Convert to fraction form
    1,078,855.20/1,618,671.60 = 448,221.60/x
  3. Step 3: Cross multiply
    1,078,855.20x = 1,618,671.60 × 448,221.60
  4. Step 4: Simplify right side
    1,078,855.20x = 725,523,574,426.56
  5. Step 5: Solve for x
    x = 725,523,574,426.56/1,078,855.20
  6. Step 6: Final answer
    x = 672,493.93

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Double scale
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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.