Home / 1,263,268.40-1,743,314.76-690,308.60

Finding the Fourth Proportional to 1,263,268.40, 1,743,314.76 and 690,308.60

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Solution

The fourth proportional to 1,263,268.40, 1,743,314.76 and 690,308.60 is: 952,628.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,268.40 : 1,743,314.76 = 690,308.60 : x
  2. Step 2: Convert to fraction form
    1,263,268.40/1,743,314.76 = 690,308.60/x
  3. Step 3: Cross multiply
    1,263,268.40x = 1,743,314.76 × 690,308.60
  4. Step 4: Simplify right side
    1,263,268.40x = 1,203,425,171,334.94
  5. Step 5: Solve for x
    x = 1,203,425,171,334.94/1,263,268.40
  6. Step 6: Final answer
    x = 952,628.25

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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.