Home / 1,252,636.32-1,729,086.40-743,338.64

Finding the Fourth Proportional to 1,252,636.32, 1,729,086.40 and 743,338.64

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Solution

The fourth proportional to 1,252,636.32, 1,729,086.40 and 743,338.64 is: 1,026,073.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,636.32 : 1,729,086.40 = 743,338.64 : x
  2. Step 2: Convert to fraction form
    1,252,636.32/1,729,086.40 = 743,338.64/x
  3. Step 3: Cross multiply
    1,252,636.32x = 1,729,086.40 × 743,338.64
  4. Step 4: Simplify right side
    1,252,636.32x = 1,285,296,733,018.50
  5. Step 5: Solve for x
    x = 1,285,296,733,018.50/1,252,636.32
  6. Step 6: Final answer
    x = 1,026,073.34

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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.