Home / 1,122,766.86-1,685,409.24-449,317.58

Finding the Fourth Proportional to 1,122,766.86, 1,685,409.24 and 449,317.58

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Solution

The fourth proportional to 1,122,766.86, 1,685,409.24 and 449,317.58 is: 674,480.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,766.86 : 1,685,409.24 = 449,317.58 : x
  2. Step 2: Convert to fraction form
    1,122,766.86/1,685,409.24 = 449,317.58/x
  3. Step 3: Cross multiply
    1,122,766.86x = 1,685,409.24 × 449,317.58
  4. Step 4: Simplify right side
    1,122,766.86x = 757,283,991,756.92
  5. Step 5: Solve for x
    x = 757,283,991,756.92/1,122,766.86
  6. Step 6: Final answer
    x = 674,480.18

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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.