Home / 1,679,728.16-2,520,637.11-682,456.16

Finding the Fourth Proportional to 1,679,728.16, 2,520,637.11 and 682,456.16

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Solution

The fourth proportional to 1,679,728.16, 2,520,637.11 and 682,456.16 is: 1,024,108.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,728.16 : 2,520,637.11 = 682,456.16 : x
  2. Step 2: Convert to fraction form
    1,679,728.16/2,520,637.11 = 682,456.16/x
  3. Step 3: Cross multiply
    1,679,728.16x = 2,520,637.11 × 682,456.16
  4. Step 4: Simplify right side
    1,679,728.16x = 1,720,224,310,240.91
  5. Step 5: Solve for x
    x = 1,720,224,310,240.91/1,679,728.16
  6. Step 6: Final answer
    x = 1,024,108.76

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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.