Home / 828,843.63-1,143,187.66-731,876.41

Finding the Fourth Proportional to 828,843.63, 1,143,187.66 and 731,876.41

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Solution

The fourth proportional to 828,843.63, 1,143,187.66 and 731,876.41 is: 1,009,445.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,843.63 : 1,143,187.66 = 731,876.41 : x
  2. Step 2: Convert to fraction form
    828,843.63/1,143,187.66 = 731,876.41/x
  3. Step 3: Cross multiply
    828,843.63x = 1,143,187.66 × 731,876.41
  4. Step 4: Simplify right side
    828,843.63x = 836,672,074,497.17
  5. Step 5: Solve for x
    x = 836,672,074,497.17/828,843.63
  6. Step 6: Final answer
    x = 1,009,445.02

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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.