Home / 1,112,405.73-1,535,150.15-629,043.20

Finding the Fourth Proportional to 1,112,405.73, 1,535,150.15 and 629,043.20

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Solution

The fourth proportional to 1,112,405.73, 1,535,150.15 and 629,043.20 is: 868,096.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,405.73 : 1,535,150.15 = 629,043.20 : x
  2. Step 2: Convert to fraction form
    1,112,405.73/1,535,150.15 = 629,043.20/x
  3. Step 3: Cross multiply
    1,112,405.73x = 1,535,150.15 × 629,043.20
  4. Step 4: Simplify right side
    1,112,405.73x = 965,675,752,015.51
  5. Step 5: Solve for x
    x = 965,675,752,015.51/1,112,405.73
  6. Step 6: Final answer
    x = 868,096.71

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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.