Home / 1,267,785.18-1,749,550.23-694,830.30

Finding the Fourth Proportional to 1,267,785.18, 1,749,550.23 and 694,830.30

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Solution

The fourth proportional to 1,267,785.18, 1,749,550.23 and 694,830.30 is: 958,869.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,267,785.18 : 1,749,550.23 = 694,830.30 : x
  2. Step 2: Convert to fraction form
    1,267,785.18/1,749,550.23 = 694,830.30/x
  3. Step 3: Cross multiply
    1,267,785.18x = 1,749,550.23 × 694,830.30
  4. Step 4: Simplify right side
    1,267,785.18x = 1,215,640,511,175.97
  5. Step 5: Solve for x
    x = 1,215,640,511,175.97/1,267,785.18
  6. Step 6: Final answer
    x = 958,869.48

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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.