Home / 1,242,989.28-1,714,350.72-850,754.72

Finding the Fourth Proportional to 1,242,989.28, 1,714,350.72 and 850,754.72

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Solution

The fourth proportional to 1,242,989.28, 1,714,350.72 and 850,754.72 is: 1,173,374.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,989.28 : 1,714,350.72 = 850,754.72 : x
  2. Step 2: Convert to fraction form
    1,242,989.28/1,714,350.72 = 850,754.72/x
  3. Step 3: Cross multiply
    1,242,989.28x = 1,714,350.72 × 850,754.72
  4. Step 4: Simplify right side
    1,242,989.28x = 1,458,491,966,775.40
  5. Step 5: Solve for x
    x = 1,458,491,966,775.40/1,242,989.28
  6. Step 6: Final answer
    x = 1,173,374.53

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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.