Home / 690,747-1,036,178.82-192,111

Finding the Fourth Proportional to 690,747, 1,036,178.82 and 192,111

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Solution

The fourth proportional to 690,747, 1,036,178.82 and 192,111 is: 288,182.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    690,747 : 1,036,178.82 = 192,111 : x
  2. Step 2: Convert to fraction form
    690,747/1,036,178.82 = 192,111/x
  3. Step 3: Cross multiply
    690,747x = 1,036,178.82 × 192,111
  4. Step 4: Simplify right side
    690,747x = 199,061,349,289.02
  5. Step 5: Solve for x
    x = 199,061,349,289.02/690,747
  6. Step 6: Final answer
    x = 288,182.72

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.