Home / 1,084,165.20-1,625,599.80-663,742.80

Finding the Fourth Proportional to 1,084,165.20, 1,625,599.80 and 663,742.80

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Solution

The fourth proportional to 1,084,165.20, 1,625,599.80 and 663,742.80 is: 995,217.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,084,165.20 : 1,625,599.80 = 663,742.80 : x
  2. Step 2: Convert to fraction form
    1,084,165.20/1,625,599.80 = 663,742.80/x
  3. Step 3: Cross multiply
    1,084,165.20x = 1,625,599.80 × 663,742.80
  4. Step 4: Simplify right side
    1,084,165.20x = 1,078,980,162,931.44
  5. Step 5: Solve for x
    x = 1,078,980,162,931.44/1,084,165.20
  6. Step 6: Final answer
    x = 995,217.48

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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.