Home / 1,089,099.78-1,633,857.43-415,124.70

Finding the Fourth Proportional to 1,089,099.78, 1,633,857.43 and 415,124.70

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Solution

The fourth proportional to 1,089,099.78, 1,633,857.43 and 415,124.70 is: 622,766.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,099.78 : 1,633,857.43 = 415,124.70 : x
  2. Step 2: Convert to fraction form
    1,089,099.78/1,633,857.43 = 415,124.70/x
  3. Step 3: Cross multiply
    1,089,099.78x = 1,633,857.43 × 415,124.70
  4. Step 4: Simplify right side
    1,089,099.78x = 678,254,569,085.10
  5. Step 5: Solve for x
    x = 678,254,569,085.10/1,089,099.78
  6. Step 6: Final answer
    x = 622,766.24

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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.