Home / 1,213,268.76-1,674,318.06-669,395.88

Finding the Fourth Proportional to 1,213,268.76, 1,674,318.06 and 669,395.88

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Solution

The fourth proportional to 1,213,268.76, 1,674,318.06 and 669,395.88 is: 923,770.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,213,268.76 : 1,674,318.06 = 669,395.88 : x
  2. Step 2: Convert to fraction form
    1,213,268.76/1,674,318.06 = 669,395.88/x
  3. Step 3: Cross multiply
    1,213,268.76x = 1,674,318.06 × 669,395.88
  4. Step 4: Simplify right side
    1,213,268.76x = 1,120,781,611,173.59
  5. Step 5: Solve for x
    x = 1,120,781,611,173.59/1,213,268.76
  6. Step 6: Final answer
    x = 923,770.27

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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.