Home / 1,268,038.56-1,750,072.20-784,759.32

Finding the Fourth Proportional to 1,268,038.56, 1,750,072.20 and 784,759.32

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Solution

The fourth proportional to 1,268,038.56, 1,750,072.20 and 784,759.32 is: 1,083,078.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,038.56 : 1,750,072.20 = 784,759.32 : x
  2. Step 2: Convert to fraction form
    1,268,038.56/1,750,072.20 = 784,759.32/x
  3. Step 3: Cross multiply
    1,268,038.56x = 1,750,072.20 × 784,759.32
  4. Step 4: Simplify right side
    1,268,038.56x = 1,373,385,469,622.90
  5. Step 5: Solve for x
    x = 1,373,385,469,622.90/1,268,038.56
  6. Step 6: Final answer
    x = 1,083,078.63

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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.