Home / 1,361,204.90-2,043,069.08-687,759.52

Finding the Fourth Proportional to 1,361,204.90, 2,043,069.08 and 687,759.52

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Solution

The fourth proportional to 1,361,204.90, 2,043,069.08 and 687,759.52 is: 1,032,276.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,361,204.90 : 2,043,069.08 = 687,759.52 : x
  2. Step 2: Convert to fraction form
    1,361,204.90/2,043,069.08 = 687,759.52/x
  3. Step 3: Cross multiply
    1,361,204.90x = 2,043,069.08 × 687,759.52
  4. Step 4: Simplify right side
    1,361,204.90x = 1,405,140,209,787.64
  5. Step 5: Solve for x
    x = 1,405,140,209,787.64/1,361,204.90
  6. Step 6: Final answer
    x = 1,032,276.78

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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.