Home / 1,183,821.81-1,633,834.03-667,681.62

Finding the Fourth Proportional to 1,183,821.81, 1,633,834.03 and 667,681.62

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Solution

The fourth proportional to 1,183,821.81, 1,633,834.03 and 667,681.62 is: 921,490.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,183,821.81 : 1,633,834.03 = 667,681.62 : x
  2. Step 2: Convert to fraction form
    1,183,821.81/1,633,834.03 = 667,681.62/x
  3. Step 3: Cross multiply
    1,183,821.81x = 1,633,834.03 × 667,681.62
  4. Step 4: Simplify right side
    1,183,821.81x = 1,090,880,951,961.53
  5. Step 5: Solve for x
    x = 1,090,880,951,961.53/1,183,821.81
  6. Step 6: Final answer
    x = 921,490.84

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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.