Home / 1,206,684.90-1,665,277.50-690,600.79

Finding the Fourth Proportional to 1,206,684.90, 1,665,277.50 and 690,600.79

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Solution

The fourth proportional to 1,206,684.90, 1,665,277.50 and 690,600.79 is: 953,059.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,684.90 : 1,665,277.50 = 690,600.79 : x
  2. Step 2: Convert to fraction form
    1,206,684.90/1,665,277.50 = 690,600.79/x
  3. Step 3: Cross multiply
    1,206,684.90x = 1,665,277.50 × 690,600.79
  4. Step 4: Simplify right side
    1,206,684.90x = 1,150,041,957,855.95
  5. Step 5: Solve for x
    x = 1,150,041,957,855.95/1,206,684.90
  6. Step 6: Final answer
    x = 953,059.04

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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.