Home / 1,089,340.14-1,632,884.81-415,240.52

Finding the Fourth Proportional to 1,089,340.14, 1,632,884.81 and 415,240.52

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Solution

The fourth proportional to 1,089,340.14, 1,632,884.81 and 415,240.52 is: 622,431.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,340.14 : 1,632,884.81 = 415,240.52 : x
  2. Step 2: Convert to fraction form
    1,089,340.14/1,632,884.81 = 415,240.52/x
  3. Step 3: Cross multiply
    1,089,340.14x = 1,632,884.81 × 415,240.52
  4. Step 4: Simplify right side
    1,089,340.14x = 678,039,927,363.88
  5. Step 5: Solve for x
    x = 678,039,927,363.88/1,089,340.14
  6. Step 6: Final answer
    x = 622,431.78

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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.