Home / 1,494,806.81-2,238,838.79-694,403.89

Finding the Fourth Proportional to 1,494,806.81, 2,238,838.79 and 694,403.89

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Solution

The fourth proportional to 1,494,806.81, 2,238,838.79 and 694,403.89 is: 1,040,039.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,806.81 : 2,238,838.79 = 694,403.89 : x
  2. Step 2: Convert to fraction form
    1,494,806.81/2,238,838.79 = 694,403.89/x
  3. Step 3: Cross multiply
    1,494,806.81x = 2,238,838.79 × 694,403.89
  4. Step 4: Simplify right side
    1,494,806.81x = 1,554,658,355,789.78
  5. Step 5: Solve for x
    x = 1,554,658,355,789.78/1,494,806.81
  6. Step 6: Final answer
    x = 1,040,039.66

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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.