Home / 1,080,636.56-1,619,505.84-841,039.72

Finding the Fourth Proportional to 1,080,636.56, 1,619,505.84 and 841,039.72

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Solution

The fourth proportional to 1,080,636.56, 1,619,505.84 and 841,039.72 is: 1,260,431.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,080,636.56 : 1,619,505.84 = 841,039.72 : x
  2. Step 2: Convert to fraction form
    1,080,636.56/1,619,505.84 = 841,039.72/x
  3. Step 3: Cross multiply
    1,080,636.56x = 1,619,505.84 × 841,039.72
  4. Step 4: Simplify right side
    1,080,636.56x = 1,362,068,738,211.96
  5. Step 5: Solve for x
    x = 1,362,068,738,211.96/1,080,636.56
  6. Step 6: Final answer
    x = 1,260,431.85

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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.