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Finding the Fourth Proportional to 1,301,789.04, 1,796,536.44 and 728,795.04

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Solution

The fourth proportional to 1,301,789.04, 1,796,536.44 and 728,795.04 is: 1,005,774.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,301,789.04 : 1,796,536.44 = 728,795.04 : x
  2. Step 2: Convert to fraction form
    1,301,789.04/1,796,536.44 = 728,795.04/x
  3. Step 3: Cross multiply
    1,301,789.04x = 1,796,536.44 × 728,795.04
  4. Step 4: Simplify right side
    1,301,789.04x = 1,309,306,846,651.26
  5. Step 5: Solve for x
    x = 1,309,306,846,651.26/1,301,789.04
  6. Step 6: Final answer
    x = 1,005,774.98

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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.