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Finding the Fourth Proportional to 800,768.10, 1,201,152.15 and 701,040.90

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Solution

The fourth proportional to 800,768.10, 1,201,152.15 and 701,040.90 is: 1,051,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,768.10 : 1,201,152.15 = 701,040.90 : x
  2. Step 2: Convert to fraction form
    800,768.10/1,201,152.15 = 701,040.90/x
  3. Step 3: Cross multiply
    800,768.10x = 1,201,152.15 × 701,040.90
  4. Step 4: Simplify right side
    800,768.10x = 842,056,784,272.94
  5. Step 5: Solve for x
    x = 842,056,784,272.94/800,768.10
  6. Step 6: Final answer
    x = 1,051,561.35

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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.