Home / 1,242,986.30-1,714,346.60-850,751.72

Finding the Fourth Proportional to 1,242,986.30, 1,714,346.60 and 850,751.72

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Solution

The fourth proportional to 1,242,986.30, 1,714,346.60 and 850,751.72 is: 1,173,370.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,986.30 : 1,714,346.60 = 850,751.72 : x
  2. Step 2: Convert to fraction form
    1,242,986.30/1,714,346.60 = 850,751.72/x
  3. Step 3: Cross multiply
    1,242,986.30x = 1,714,346.60 × 850,751.72
  4. Step 4: Simplify right side
    1,242,986.30x = 1,458,483,318,626.15
  5. Step 5: Solve for x
    x = 1,458,483,318,626.15/1,242,986.30
  6. Step 6: Final answer
    x = 1,173,370.39

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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.