Home / 1,616,078.43-2,230,202.70-890,951.72

Finding the Fourth Proportional to 1,616,078.43, 2,230,202.70 and 890,951.72

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Solution

The fourth proportional to 1,616,078.43, 2,230,202.70 and 890,951.72 is: 1,229,521.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,616,078.43 : 2,230,202.70 = 890,951.72 : x
  2. Step 2: Convert to fraction form
    1,616,078.43/2,230,202.70 = 890,951.72/x
  3. Step 3: Cross multiply
    1,616,078.43x = 2,230,202.70 × 890,951.72
  4. Step 4: Simplify right side
    1,616,078.43x = 1,987,002,920,362.63
  5. Step 5: Solve for x
    x = 1,987,002,920,362.63/1,616,078.43
  6. Step 6: Final answer
    x = 1,229,521.34

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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.