Home / 1,322,186.63-1,983,841.16-722,447.19

Finding the Fourth Proportional to 1,322,186.63, 1,983,841.16 and 722,447.19

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Solution

The fourth proportional to 1,322,186.63, 1,983,841.16 and 722,447.19 is: 1,083,977.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,322,186.63 : 1,983,841.16 = 722,447.19 : x
  2. Step 2: Convert to fraction form
    1,322,186.63/1,983,841.16 = 722,447.19/x
  3. Step 3: Cross multiply
    1,322,186.63x = 1,983,841.16 × 722,447.19
  4. Step 4: Simplify right side
    1,322,186.63x = 1,433,220,467,836.10
  5. Step 5: Solve for x
    x = 1,433,220,467,836.10/1,322,186.63
  6. Step 6: Final answer
    x = 1,083,977.44

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.