Home / 1,263,269.88-1,743,238.98-690,314.76

Finding the Fourth Proportional to 1,263,269.88, 1,743,238.98 and 690,314.76

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Solution

The fourth proportional to 1,263,269.88, 1,743,238.98 and 690,314.76 is: 952,594.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,269.88 : 1,743,238.98 = 690,314.76 : x
  2. Step 2: Convert to fraction form
    1,263,269.88/1,743,238.98 = 690,314.76/x
  3. Step 3: Cross multiply
    1,263,269.88x = 1,743,238.98 × 690,314.76
  4. Step 4: Simplify right side
    1,263,269.88x = 1,203,383,598,101.34
  5. Step 5: Solve for x
    x = 1,203,383,598,101.34/1,263,269.88
  6. Step 6: Final answer
    x = 952,594.23

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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.