Home / 1,772,972.76-2,659,459.18-443,276.76

Finding the Fourth Proportional to 1,772,972.76, 2,659,459.18 and 443,276.76

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Solution

The fourth proportional to 1,772,972.76, 2,659,459.18 and 443,276.76 is: 664,915.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,772,972.76 : 2,659,459.18 = 443,276.76 : x
  2. Step 2: Convert to fraction form
    1,772,972.76/2,659,459.18 = 443,276.76/x
  3. Step 3: Cross multiply
    1,772,972.76x = 2,659,459.18 × 443,276.76
  4. Step 4: Simplify right side
    1,772,972.76x = 1,178,876,448,662.66
  5. Step 5: Solve for x
    x = 1,178,876,448,662.66/1,772,972.76
  6. Step 6: Final answer
    x = 664,915.15

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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.