Home / 1,180,537.20-1,629,105.48-664,319.88

Finding the Fourth Proportional to 1,180,537.20, 1,629,105.48 and 664,319.88

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Solution

The fourth proportional to 1,180,537.20, 1,629,105.48 and 664,319.88 is: 916,741.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,180,537.20 : 1,629,105.48 = 664,319.88 : x
  2. Step 2: Convert to fraction form
    1,180,537.20/1,629,105.48 = 664,319.88/x
  3. Step 3: Cross multiply
    1,180,537.20x = 1,629,105.48 × 664,319.88
  4. Step 4: Simplify right side
    1,180,537.20x = 1,082,247,156,980.94
  5. Step 5: Solve for x
    x = 1,082,247,156,980.94/1,180,537.20
  6. Step 6: Final answer
    x = 916,741.26

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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.