Home / 836,531.88-1,251,513.12-645,549.36

Finding the Fourth Proportional to 836,531.88, 1,251,513.12 and 645,549.36

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Solution

The fourth proportional to 836,531.88, 1,251,513.12 and 645,549.36 is: 965,789.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,531.88 : 1,251,513.12 = 645,549.36 : x
  2. Step 2: Convert to fraction form
    836,531.88/1,251,513.12 = 645,549.36/x
  3. Step 3: Cross multiply
    836,531.88x = 1,251,513.12 × 645,549.36
  4. Step 4: Simplify right side
    836,531.88x = 807,913,493,647.60
  5. Step 5: Solve for x
    x = 807,913,493,647.60/836,531.88
  6. Step 6: Final answer
    x = 965,789.25

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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.