Home / 1,175,288.88-1,622,267.82-666,330.24

Finding the Fourth Proportional to 1,175,288.88, 1,622,267.82 and 666,330.24

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Solution

The fourth proportional to 1,175,288.88, 1,622,267.82 and 666,330.24 is: 919,745.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,175,288.88 : 1,622,267.82 = 666,330.24 : x
  2. Step 2: Convert to fraction form
    1,175,288.88/1,622,267.82 = 666,330.24/x
  3. Step 3: Cross multiply
    1,175,288.88x = 1,622,267.82 × 666,330.24
  4. Step 4: Simplify right side
    1,175,288.88x = 1,080,966,105,844.88
  5. Step 5: Solve for x
    x = 1,080,966,105,844.88/1,175,288.88
  6. Step 6: Final answer
    x = 919,745.03

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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.