Home / 1,361,209.64-2,043,074.70-687,764.90

Finding the Fourth Proportional to 1,361,209.64, 2,043,074.70 and 687,764.90

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Solution

The fourth proportional to 1,361,209.64, 2,043,074.70 and 687,764.90 is: 1,032,284.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,209.64 : 2,043,074.70 = 687,764.90 : x
  2. Step 2: Convert to fraction form
    1,361,209.64/2,043,074.70 = 687,764.90/x
  3. Step 3: Cross multiply
    1,361,209.64x = 2,043,074.70 × 687,764.90
  4. Step 4: Simplify right side
    1,361,209.64x = 1,405,155,056,522.66
  5. Step 5: Solve for x
    x = 1,405,155,056,522.66/1,361,209.64
  6. Step 6: Final answer
    x = 1,032,284.10

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.