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Finding the Fourth Proportional to 1,094,620.88, 1,509,745.53 and 941,914.97

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Solution

The fourth proportional to 1,094,620.88, 1,509,745.53 and 941,914.97 is: 1,299,127.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,094,620.88 : 1,509,745.53 = 941,914.97 : x
  2. Step 2: Convert to fraction form
    1,094,620.88/1,509,745.53 = 941,914.97/x
  3. Step 3: Cross multiply
    1,094,620.88x = 1,509,745.53 × 941,914.97
  4. Step 4: Simplify right side
    1,094,620.88x = 1,422,051,908,048.86
  5. Step 5: Solve for x
    x = 1,422,051,908,048.86/1,094,620.88
  6. Step 6: Final answer
    x = 1,299,127.34

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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.