Home / 1,242,990.28-1,714,352.10-850,755.72

Finding the Fourth Proportional to 1,242,990.28, 1,714,352.10 and 850,755.72

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Solution

The fourth proportional to 1,242,990.28, 1,714,352.10 and 850,755.72 is: 1,173,375.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,990.28 : 1,714,352.10 = 850,755.72 : x
  2. Step 2: Convert to fraction form
    1,242,990.28/1,714,352.10 = 850,755.72/x
  3. Step 3: Cross multiply
    1,242,990.28x = 1,714,352.10 × 850,755.72
  4. Step 4: Simplify right side
    1,242,990.28x = 1,458,494,855,169.01
  5. Step 5: Solve for x
    x = 1,458,494,855,169.01/1,242,990.28
  6. Step 6: Final answer
    x = 1,173,375.91

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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.