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Finding the Fourth Proportional to 899,145.71, 1,347,556.04 and 672,729.71

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Solution

The fourth proportional to 899,145.71, 1,347,556.04 and 672,729.71 is: 1,008,224.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    899,145.71 : 1,347,556.04 = 672,729.71 : x
  2. Step 2: Convert to fraction form
    899,145.71/1,347,556.04 = 672,729.71/x
  3. Step 3: Cross multiply
    899,145.71x = 1,347,556.04 × 672,729.71
  4. Step 4: Simplify right side
    899,145.71x = 906,540,980,203.36
  5. Step 5: Solve for x
    x = 906,540,980,203.36/899,145.71
  6. Step 6: Final answer
    x = 1,008,224.77

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.