Home / 1,263,259.40-1,743,302.34-690,299.56

Finding the Fourth Proportional to 1,263,259.40, 1,743,302.34 and 690,299.56

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Solution

The fourth proportional to 1,263,259.40, 1,743,302.34 and 690,299.56 is: 952,615.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,259.40 : 1,743,302.34 = 690,299.56 : x
  2. Step 2: Convert to fraction form
    1,263,259.40/1,743,302.34 = 690,299.56/x
  3. Step 3: Cross multiply
    1,263,259.40x = 1,743,302.34 × 690,299.56
  4. Step 4: Simplify right side
    1,263,259.40x = 1,203,400,838,248.97
  5. Step 5: Solve for x
    x = 1,203,400,838,248.97/1,263,259.40
  6. Step 6: Final answer
    x = 952,615.78

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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.