Home / 1,264,367.22-1,745,032.80-939,835.29

Finding the Fourth Proportional to 1,264,367.22, 1,745,032.80 and 939,835.29

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Solution

The fourth proportional to 1,264,367.22, 1,745,032.80 and 939,835.29 is: 1,297,125.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,264,367.22 : 1,745,032.80 = 939,835.29 : x
  2. Step 2: Convert to fraction form
    1,264,367.22/1,745,032.80 = 939,835.29/x
  3. Step 3: Cross multiply
    1,264,367.22x = 1,745,032.80 × 939,835.29
  4. Step 4: Simplify right side
    1,264,367.22x = 1,640,043,407,647.51
  5. Step 5: Solve for x
    x = 1,640,043,407,647.51/1,264,367.22
  6. Step 6: Final answer
    x = 1,297,125.85

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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.