Home / 1,491,841.52-2,058,741.52-812,778.02

Finding the Fourth Proportional to 1,491,841.52, 2,058,741.52 and 812,778.02

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Solution

The fourth proportional to 1,491,841.52, 2,058,741.52 and 812,778.02 is: 1,121,633.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,491,841.52 : 2,058,741.52 = 812,778.02 : x
  2. Step 2: Convert to fraction form
    1,491,841.52/2,058,741.52 = 812,778.02/x
  3. Step 3: Cross multiply
    1,491,841.52x = 2,058,741.52 × 812,778.02
  4. Step 4: Simplify right side
    1,491,841.52x = 1,673,299,856,317.39
  5. Step 5: Solve for x
    x = 1,673,299,856,317.39/1,491,841.52
  6. Step 6: Final answer
    x = 1,121,633.79

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.