Home / 1,128,863.31-1,693,762.44-623,379.26

Finding the Fourth Proportional to 1,128,863.31, 1,693,762.44 and 623,379.26

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Solution

The fourth proportional to 1,128,863.31, 1,693,762.44 and 623,379.26 is: 935,327.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,863.31 : 1,693,762.44 = 623,379.26 : x
  2. Step 2: Convert to fraction form
    1,128,863.31/1,693,762.44 = 623,379.26/x
  3. Step 3: Cross multiply
    1,128,863.31x = 1,693,762.44 × 623,379.26
  4. Step 4: Simplify right side
    1,128,863.31x = 1,055,856,378,359.73
  5. Step 5: Solve for x
    x = 1,055,856,378,359.73/1,128,863.31
  6. Step 6: Final answer
    x = 935,327.04

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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.