Home / 1,145,556.36-1,580,868.82-629,343.68

Finding the Fourth Proportional to 1,145,556.36, 1,580,868.82 and 629,343.68

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Solution

The fourth proportional to 1,145,556.36, 1,580,868.82 and 629,343.68 is: 868,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,145,556.36 : 1,580,868.82 = 629,343.68 : x
  2. Step 2: Convert to fraction form
    1,145,556.36/1,580,868.82 = 629,343.68/x
  3. Step 3: Cross multiply
    1,145,556.36x = 1,580,868.82 × 629,343.68
  4. Step 4: Simplify right side
    1,145,556.36x = 994,909,797,629.34
  5. Step 5: Solve for x
    x = 994,909,797,629.34/1,145,556.36
  6. Step 6: Final answer
    x = 868,494.85

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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.