Home / 1,263,425.35-1,743,523.09-690,465.52

Finding the Fourth Proportional to 1,263,425.35, 1,743,523.09 and 690,465.52

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Solution

The fourth proportional to 1,263,425.35, 1,743,523.09 and 690,465.52 is: 952,840.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,425.35 : 1,743,523.09 = 690,465.52 : x
  2. Step 2: Convert to fraction form
    1,263,425.35/1,743,523.09 = 690,465.52/x
  3. Step 3: Cross multiply
    1,263,425.35x = 1,743,523.09 × 690,465.52
  4. Step 4: Simplify right side
    1,263,425.35x = 1,203,842,576,968.86
  5. Step 5: Solve for x
    x = 1,203,842,576,968.86/1,263,425.35
  6. Step 6: Final answer
    x = 952,840.29

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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.