Home / 1,268,112.44-1,900,977.94-426,075.32

Finding the Fourth Proportional to 1,268,112.44, 1,900,977.94 and 426,075.32

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Solution

The fourth proportional to 1,268,112.44, 1,900,977.94 and 426,075.32 is: 638,712.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,112.44 : 1,900,977.94 = 426,075.32 : x
  2. Step 2: Convert to fraction form
    1,268,112.44/1,900,977.94 = 426,075.32/x
  3. Step 3: Cross multiply
    1,268,112.44x = 1,900,977.94 × 426,075.32
  4. Step 4: Simplify right side
    1,268,112.44x = 809,959,784,098.44
  5. Step 5: Solve for x
    x = 809,959,784,098.44/1,268,112.44
  6. Step 6: Final answer
    x = 638,712.91

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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.