Home / 1,278,455.94-1,764,571.10-734,907.06

Finding the Fourth Proportional to 1,278,455.94, 1,764,571.10 and 734,907.06

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Solution

The fourth proportional to 1,278,455.94, 1,764,571.10 and 734,907.06 is: 1,014,345.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,455.94 : 1,764,571.10 = 734,907.06 : x
  2. Step 2: Convert to fraction form
    1,278,455.94/1,764,571.10 = 734,907.06/x
  3. Step 3: Cross multiply
    1,278,455.94x = 1,764,571.10 × 734,907.06
  4. Step 4: Simplify right side
    1,278,455.94x = 1,296,795,755,587.43
  5. Step 5: Solve for x
    x = 1,296,795,755,587.43/1,278,455.94
  6. Step 6: Final answer
    x = 1,014,345.29

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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.