Home / 1,077,917.30-1,616,600.16-319,581.44

Finding the Fourth Proportional to 1,077,917.30, 1,616,600.16 and 319,581.44

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Solution

The fourth proportional to 1,077,917.30, 1,616,600.16 and 319,581.44 is: 479,290.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,917.30 : 1,616,600.16 = 319,581.44 : x
  2. Step 2: Convert to fraction form
    1,077,917.30/1,616,600.16 = 319,581.44/x
  3. Step 3: Cross multiply
    1,077,917.30x = 1,616,600.16 × 319,581.44
  4. Step 4: Simplify right side
    1,077,917.30x = 516,635,407,037.03
  5. Step 5: Solve for x
    x = 516,635,407,037.03/1,077,917.30
  6. Step 6: Final answer
    x = 479,290.39

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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.