Home / 1,228,440.24-1,694,599.92-845,802.72

Finding the Fourth Proportional to 1,228,440.24, 1,694,599.92 and 845,802.72

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Solution

The fourth proportional to 1,228,440.24, 1,694,599.92 and 845,802.72 is: 1,166,761.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,440.24 : 1,694,599.92 = 845,802.72 : x
  2. Step 2: Convert to fraction form
    1,228,440.24/1,694,599.92 = 845,802.72/x
  3. Step 3: Cross multiply
    1,228,440.24x = 1,694,599.92 × 845,802.72
  4. Step 4: Simplify right side
    1,228,440.24x = 1,433,297,221,647.78
  5. Step 5: Solve for x
    x = 1,433,297,221,647.78/1,228,440.24
  6. Step 6: Final answer
    x = 1,166,761.86

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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.