Home / 1,679,722.32-2,520,628.38-682,450.32

Finding the Fourth Proportional to 1,679,722.32, 2,520,628.38 and 682,450.32

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Solution

The fourth proportional to 1,679,722.32, 2,520,628.38 and 682,450.32 is: 1,024,100.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,722.32 : 2,520,628.38 = 682,450.32 : x
  2. Step 2: Convert to fraction form
    1,679,722.32/2,520,628.38 = 682,450.32/x
  3. Step 3: Cross multiply
    1,679,722.32x = 2,520,628.38 × 682,450.32
  4. Step 4: Simplify right side
    1,679,722.32x = 1,720,203,644,532.08
  5. Step 5: Solve for x
    x = 1,720,203,644,532.08/1,679,722.32
  6. Step 6: Final answer
    x = 1,024,100.01

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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.