Home / 758,137.30-1,132,290.64-686,917.64

Finding the Fourth Proportional to 758,137.30, 1,132,290.64 and 686,917.64

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Solution

The fourth proportional to 758,137.30, 1,132,290.64 and 686,917.64 is: 1,025,922.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    758,137.30 : 1,132,290.64 = 686,917.64 : x
  2. Step 2: Convert to fraction form
    758,137.30/1,132,290.64 = 686,917.64/x
  3. Step 3: Cross multiply
    758,137.30x = 1,132,290.64 × 686,917.64
  4. Step 4: Simplify right side
    758,137.30x = 777,790,414,048.35
  5. Step 5: Solve for x
    x = 777,790,414,048.35/758,137.30
  6. Step 6: Final answer
    x = 1,025,922.90

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.