Home / 1,485,379.26-2,228,911.56-802,257.66

Finding the Fourth Proportional to 1,485,379.26, 2,228,911.56 and 802,257.66

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Solution

The fourth proportional to 1,485,379.26, 2,228,911.56 and 802,257.66 is: 1,203,841.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,485,379.26 : 2,228,911.56 = 802,257.66 : x
  2. Step 2: Convert to fraction form
    1,485,379.26/2,228,911.56 = 802,257.66/x
  3. Step 3: Cross multiply
    1,485,379.26x = 2,228,911.56 × 802,257.66
  4. Step 4: Simplify right side
    1,485,379.26x = 1,788,161,372,472.55
  5. Step 5: Solve for x
    x = 1,788,161,372,472.55/1,485,379.26
  6. Step 6: Final answer
    x = 1,203,841.62

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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.