Home / 1,385,697.68-2,076,872.28-674,660.24

Finding the Fourth Proportional to 1,385,697.68, 2,076,872.28 and 674,660.24

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Solution

The fourth proportional to 1,385,697.68, 2,076,872.28 and 674,660.24 is: 1,011,175.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,697.68 : 2,076,872.28 = 674,660.24 : x
  2. Step 2: Convert to fraction form
    1,385,697.68/2,076,872.28 = 674,660.24/x
  3. Step 3: Cross multiply
    1,385,697.68x = 2,076,872.28 × 674,660.24
  4. Step 4: Simplify right side
    1,385,697.68x = 1,401,183,150,874.15
  5. Step 5: Solve for x
    x = 1,401,183,150,874.15/1,385,697.68
  6. Step 6: Final answer
    x = 1,011,175.22

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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.