Home / 1,676,738.40-2,514,913.20-478,845.60

Finding the Fourth Proportional to 1,676,738.40, 2,514,913.20 and 478,845.60

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Solution

The fourth proportional to 1,676,738.40, 2,514,913.20 and 478,845.60 is: 718,212.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,676,738.40 : 2,514,913.20 = 478,845.60 : x
  2. Step 2: Convert to fraction form
    1,676,738.40/2,514,913.20 = 478,845.60/x
  3. Step 3: Cross multiply
    1,676,738.40x = 2,514,913.20 × 478,845.60
  4. Step 4: Simplify right side
    1,676,738.40x = 1,204,255,120,201.92
  5. Step 5: Solve for x
    x = 1,204,255,120,201.92/1,676,738.40
  6. Step 6: Final answer
    x = 718,212.88

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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.