Home / 1,629,765.40-2,442,679.80-830,635.60

Finding the Fourth Proportional to 1,629,765.40, 2,442,679.80 and 830,635.60

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Solution

The fourth proportional to 1,629,765.40, 2,442,679.80 and 830,635.60 is: 1,244,950.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,629,765.40 : 2,442,679.80 = 830,635.60 : x
  2. Step 2: Convert to fraction form
    1,629,765.40/2,442,679.80 = 830,635.60/x
  3. Step 3: Cross multiply
    1,629,765.40x = 2,442,679.80 × 830,635.60
  4. Step 4: Simplify right side
    1,629,765.40x = 2,028,976,801,280.88
  5. Step 5: Solve for x
    x = 2,028,976,801,280.88/1,629,765.40
  6. Step 6: Final answer
    x = 1,244,950.22

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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.