Home / 1,051,716.90-1,453,821.06-938,121.38

Finding the Fourth Proportional to 1,051,716.90, 1,453,821.06 and 938,121.38

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Solution

The fourth proportional to 1,051,716.90, 1,453,821.06 and 938,121.38 is: 1,296,794.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,051,716.90 : 1,453,821.06 = 938,121.38 : x
  2. Step 2: Convert to fraction form
    1,051,716.90/1,453,821.06 = 938,121.38/x
  3. Step 3: Cross multiply
    1,051,716.90x = 1,453,821.06 × 938,121.38
  4. Step 4: Simplify right side
    1,051,716.90x = 1,363,860,619,080.26
  5. Step 5: Solve for x
    x = 1,363,860,619,080.26/1,051,716.90
  6. Step 6: Final answer
    x = 1,296,794.43

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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.