Home / 1,027,960.31-1,415,416.73-913,039.26

Finding the Fourth Proportional to 1,027,960.31, 1,415,416.73 and 913,039.26

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Solution

The fourth proportional to 1,027,960.31, 1,415,416.73 and 913,039.26 is: 1,257,179.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,027,960.31 : 1,415,416.73 = 913,039.26 : x
  2. Step 2: Convert to fraction form
    1,027,960.31/1,415,416.73 = 913,039.26/x
  3. Step 3: Cross multiply
    1,027,960.31x = 1,415,416.73 × 913,039.26
  4. Step 4: Simplify right side
    1,027,960.31x = 1,292,331,039,185.62
  5. Step 5: Solve for x
    x = 1,292,331,039,185.62/1,027,960.31
  6. Step 6: Final answer
    x = 1,257,179.91

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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.