Home / 1,089,224.93-1,632,342.68-689,149.50

Finding the Fourth Proportional to 1,089,224.93, 1,632,342.68 and 689,149.50

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Solution

The fourth proportional to 1,089,224.93, 1,632,342.68 and 689,149.50 is: 1,032,778.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,224.93 : 1,632,342.68 = 689,149.50 : x
  2. Step 2: Convert to fraction form
    1,089,224.93/1,632,342.68 = 689,149.50/x
  3. Step 3: Cross multiply
    1,089,224.93x = 1,632,342.68 × 689,149.50
  4. Step 4: Simplify right side
    1,089,224.93x = 1,124,928,138,304.91
  5. Step 5: Solve for x
    x = 1,124,928,138,304.91/1,089,224.93
  6. Step 6: Final answer
    x = 1,032,778.55

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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.