Home / 1,091,702.56-1,507,174.68-729,739.48

Finding the Fourth Proportional to 1,091,702.56, 1,507,174.68 and 729,739.48

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Solution

The fourth proportional to 1,091,702.56, 1,507,174.68 and 729,739.48 is: 1,007,458.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,702.56 : 1,507,174.68 = 729,739.48 : x
  2. Step 2: Convert to fraction form
    1,091,702.56/1,507,174.68 = 729,739.48/x
  3. Step 3: Cross multiply
    1,091,702.56x = 1,507,174.68 × 729,739.48
  4. Step 4: Simplify right side
    1,091,702.56x = 1,099,844,867,252.37
  5. Step 5: Solve for x
    x = 1,099,844,867,252.37/1,091,702.56
  6. Step 6: Final answer
    x = 1,007,458.36

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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.