Home / 842,917.78-1,263,045.03-684,371.62

Finding the Fourth Proportional to 842,917.78, 1,263,045.03 and 684,371.62

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Solution

The fourth proportional to 842,917.78, 1,263,045.03 and 684,371.62 is: 1,025,476.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    842,917.78 : 1,263,045.03 = 684,371.62 : x
  2. Step 2: Convert to fraction form
    842,917.78/1,263,045.03 = 684,371.62/x
  3. Step 3: Cross multiply
    842,917.78x = 1,263,045.03 × 684,371.62
  4. Step 4: Simplify right side
    842,917.78x = 864,392,173,314.05
  5. Step 5: Solve for x
    x = 864,392,173,314.05/842,917.78
  6. Step 6: Final answer
    x = 1,025,476.26

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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.