Home / 1,263,521.56-1,743,655.54-690,561.56

Finding the Fourth Proportional to 1,263,521.56, 1,743,655.54 and 690,561.56

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Solution

The fourth proportional to 1,263,521.56, 1,743,655.54 and 690,561.56 is: 952,972.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,263,521.56 : 1,743,655.54 = 690,561.56 : x
  2. Step 2: Convert to fraction form
    1,263,521.56/1,743,655.54 = 690,561.56/x
  3. Step 3: Cross multiply
    1,263,521.56x = 1,743,655.54 × 690,561.56
  4. Step 4: Simplify right side
    1,263,521.56x = 1,204,101,489,805.04
  5. Step 5: Solve for x
    x = 1,204,101,489,805.04/1,263,521.56
  6. Step 6: Final answer
    x = 952,972.65

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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.