Home / 1,080,716.04-1,491,445.81-621,900.45

Finding the Fourth Proportional to 1,080,716.04, 1,491,445.81 and 621,900.45

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Solution

The fourth proportional to 1,080,716.04, 1,491,445.81 and 621,900.45 is: 858,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,716.04 : 1,491,445.81 = 621,900.45 : x
  2. Step 2: Convert to fraction form
    1,080,716.04/1,491,445.81 = 621,900.45/x
  3. Step 3: Cross multiply
    1,080,716.04x = 1,491,445.81 × 621,900.45
  4. Step 4: Simplify right side
    1,080,716.04x = 927,530,821,166.99
  5. Step 5: Solve for x
    x = 927,530,821,166.99/1,080,716.04
  6. Step 6: Final answer
    x = 858,255.81

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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.