Home / 1,268,606.68-1,904,533.88-1,089,835.83

Finding the Fourth Proportional to 1,268,606.68, 1,904,533.88 and 1,089,835.83

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Solution

The fourth proportional to 1,268,606.68, 1,904,533.88 and 1,089,835.83 is: 1,636,148.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,606.68 : 1,904,533.88 = 1,089,835.83 : x
  2. Step 2: Convert to fraction form
    1,268,606.68/1,904,533.88 = 1,089,835.83/x
  3. Step 3: Cross multiply
    1,268,606.68x = 1,904,533.88 × 1,089,835.83
  4. Step 4: Simplify right side
    1,268,606.68x = 2,075,629,262,554.07
  5. Step 5: Solve for x
    x = 2,075,629,262,554.07/1,268,606.68
  6. Step 6: Final answer
    x = 1,636,148.78

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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.