Home / 1,489,766.10-2,235,815.55-691,146.60

Finding the Fourth Proportional to 1,489,766.10, 2,235,815.55 and 691,146.60

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Solution

The fourth proportional to 1,489,766.10, 2,235,815.55 and 691,146.60 is: 1,037,261.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,766.10 : 2,235,815.55 = 691,146.60 : x
  2. Step 2: Convert to fraction form
    1,489,766.10/2,235,815.55 = 691,146.60/x
  3. Step 3: Cross multiply
    1,489,766.10x = 2,235,815.55 × 691,146.60
  4. Step 4: Simplify right side
    1,489,766.10x = 1,545,276,315,609.63
  5. Step 5: Solve for x
    x = 1,545,276,315,609.63/1,489,766.10
  6. Step 6: Final answer
    x = 1,037,261.03

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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.