Home / 1,112,521.26-1,535,214.15-629,187.78

Finding the Fourth Proportional to 1,112,521.26, 1,535,214.15 and 629,187.78

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Solution

The fourth proportional to 1,112,521.26, 1,535,214.15 and 629,187.78 is: 868,242.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,521.26 : 1,535,214.15 = 629,187.78 : x
  2. Step 2: Convert to fraction form
    1,112,521.26/1,535,214.15 = 629,187.78/x
  3. Step 3: Cross multiply
    1,112,521.26x = 1,535,214.15 × 629,187.78
  4. Step 4: Simplify right side
    1,112,521.26x = 965,937,982,863.09
  5. Step 5: Solve for x
    x = 965,937,982,863.09/1,112,521.26
  6. Step 6: Final answer
    x = 868,242.27

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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.