Home / 1,163,442.60-1,745,163.90-321,994.35

Finding the Fourth Proportional to 1,163,442.60, 1,745,163.90 and 321,994.35

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Solution

The fourth proportional to 1,163,442.60, 1,745,163.90 and 321,994.35 is: 482,991.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,163,442.60 : 1,745,163.90 = 321,994.35 : x
  2. Step 2: Convert to fraction form
    1,163,442.60/1,745,163.90 = 321,994.35/x
  3. Step 3: Cross multiply
    1,163,442.60x = 1,745,163.90 × 321,994.35
  4. Step 4: Simplify right side
    1,163,442.60x = 561,932,915,623.97
  5. Step 5: Solve for x
    x = 561,932,915,623.97/1,163,442.60
  6. Step 6: Final answer
    x = 482,991.53

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Double scale
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Similar ratio
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1.5x scale

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.