Home / 1,112,891.06-1,535,789.77-629,445.87

Finding the Fourth Proportional to 1,112,891.06, 1,535,789.77 and 629,445.87

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Solution

The fourth proportional to 1,112,891.06, 1,535,789.77 and 629,445.87 is: 868,635.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,891.06 : 1,535,789.77 = 629,445.87 : x
  2. Step 2: Convert to fraction form
    1,112,891.06/1,535,789.77 = 629,445.87/x
  3. Step 3: Cross multiply
    1,112,891.06x = 1,535,789.77 × 629,445.87
  4. Step 4: Simplify right side
    1,112,891.06x = 966,696,526,341.14
  5. Step 5: Solve for x
    x = 966,696,526,341.14/1,112,891.06
  6. Step 6: Final answer
    x = 868,635.36

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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.