Home / 1,112,468.54-1,535,197.30-629,128.58

Finding the Fourth Proportional to 1,112,468.54, 1,535,197.30 and 629,128.58

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Solution

The fourth proportional to 1,112,468.54, 1,535,197.30 and 629,128.58 is: 868,192.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,468.54 : 1,535,197.30 = 629,128.58 : x
  2. Step 2: Convert to fraction form
    1,112,468.54/1,535,197.30 = 629,128.58/x
  3. Step 3: Cross multiply
    1,112,468.54x = 1,535,197.30 × 629,128.58
  4. Step 4: Simplify right side
    1,112,468.54x = 965,836,497,368.83
  5. Step 5: Solve for x
    x = 965,836,497,368.83/1,112,468.54
  6. Step 6: Final answer
    x = 868,192.19

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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.