Home / 1,105,647.73-1,658,480.83-306,991.56

Finding the Fourth Proportional to 1,105,647.73, 1,658,480.83 and 306,991.56

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Solution

The fourth proportional to 1,105,647.73, 1,658,480.83 and 306,991.56 is: 460,489.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,105,647.73 : 1,658,480.83 = 306,991.56 : x
  2. Step 2: Convert to fraction form
    1,105,647.73/1,658,480.83 = 306,991.56/x
  3. Step 3: Cross multiply
    1,105,647.73x = 1,658,480.83 × 306,991.56
  4. Step 4: Simplify right side
    1,105,647.73x = 509,139,617,231.80
  5. Step 5: Solve for x
    x = 509,139,617,231.80/1,105,647.73
  6. Step 6: Final answer
    x = 460,489.90

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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.