Home / 1,375,880.20-2,062,070.70-664,376.20

Finding the Fourth Proportional to 1,375,880.20, 2,062,070.70 and 664,376.20

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Solution

The fourth proportional to 1,375,880.20, 2,062,070.70 and 664,376.20 is: 995,719.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,375,880.20 : 2,062,070.70 = 664,376.20 : x
  2. Step 2: Convert to fraction form
    1,375,880.20/2,062,070.70 = 664,376.20/x
  3. Step 3: Cross multiply
    1,375,880.20x = 2,062,070.70 × 664,376.20
  4. Step 4: Simplify right side
    1,375,880.20x = 1,369,990,695,797.34
  5. Step 5: Solve for x
    x = 1,369,990,695,797.34/1,375,880.20
  6. Step 6: Final answer
    x = 995,719.46

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.