Home / 1,443,217.44-2,164,781.52-685,604.28

Finding the Fourth Proportional to 1,443,217.44, 2,164,781.52 and 685,604.28

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Solution

The fourth proportional to 1,443,217.44, 2,164,781.52 and 685,604.28 is: 1,028,385.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,443,217.44 : 2,164,781.52 = 685,604.28 : x
  2. Step 2: Convert to fraction form
    1,443,217.44/2,164,781.52 = 685,604.28/x
  3. Step 3: Cross multiply
    1,443,217.44x = 2,164,781.52 × 685,604.28
  4. Step 4: Simplify right side
    1,443,217.44x = 1,484,183,475,376.91
  5. Step 5: Solve for x
    x = 1,484,183,475,376.91/1,443,217.44
  6. Step 6: Final answer
    x = 1,028,385.21

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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.