Home / 1,162,657.28-1,743,968.64-321,190.40

Finding the Fourth Proportional to 1,162,657.28, 1,743,968.64 and 321,190.40

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Solution

The fourth proportional to 1,162,657.28, 1,743,968.64 and 321,190.40 is: 481,780.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,162,657.28 : 1,743,968.64 = 321,190.40 : x
  2. Step 2: Convert to fraction form
    1,162,657.28/1,743,968.64 = 321,190.40/x
  3. Step 3: Cross multiply
    1,162,657.28x = 1,743,968.64 × 321,190.40
  4. Step 4: Simplify right side
    1,162,657.28x = 560,145,985,069.06
  5. Step 5: Solve for x
    x = 560,145,985,069.06/1,162,657.28
  6. Step 6: Final answer
    x = 481,780.83

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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.