Home / 1,684,720.92-2,324,968.38-920,757.72

Finding the Fourth Proportional to 1,684,720.92, 2,324,968.38 and 920,757.72

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Solution

The fourth proportional to 1,684,720.92, 2,324,968.38 and 920,757.72 is: 1,270,674.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,684,720.92 : 2,324,968.38 = 920,757.72 : x
  2. Step 2: Convert to fraction form
    1,684,720.92/2,324,968.38 = 920,757.72/x
  3. Step 3: Cross multiply
    1,684,720.92x = 2,324,968.38 × 920,757.72
  4. Step 4: Simplify right side
    1,684,720.92x = 2,140,732,584,640.89
  5. Step 5: Solve for x
    x = 2,140,732,584,640.89/1,684,720.92
  6. Step 6: Final answer
    x = 1,270,674.90

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.