Home / 1,089,255.29-1,632,175.25-689,050.69

Finding the Fourth Proportional to 1,089,255.29, 1,632,175.25 and 689,050.69

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Solution

The fourth proportional to 1,089,255.29, 1,632,175.25 and 689,050.69 is: 1,032,495.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,255.29 : 1,632,175.25 = 689,050.69 : x
  2. Step 2: Convert to fraction form
    1,089,255.29/1,632,175.25 = 689,050.69/x
  3. Step 3: Cross multiply
    1,089,255.29x = 1,632,175.25 × 689,050.69
  4. Step 4: Simplify right side
    1,089,255.29x = 1,124,651,474,687.73
  5. Step 5: Solve for x
    x = 1,124,651,474,687.73/1,089,255.29
  6. Step 6: Final answer
    x = 1,032,495.77

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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.