Home / 1,089,916.44-1,634,883.78-379,943.34

Finding the Fourth Proportional to 1,089,916.44, 1,634,883.78 and 379,943.34

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Solution

The fourth proportional to 1,089,916.44, 1,634,883.78 and 379,943.34 is: 569,918.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,916.44 : 1,634,883.78 = 379,943.34 : x
  2. Step 2: Convert to fraction form
    1,089,916.44/1,634,883.78 = 379,943.34/x
  3. Step 3: Cross multiply
    1,089,916.44x = 1,634,883.78 × 379,943.34
  4. Step 4: Simplify right side
    1,089,916.44x = 621,163,203,885.03
  5. Step 5: Solve for x
    x = 621,163,203,885.03/1,089,916.44
  6. Step 6: Final answer
    x = 569,918.19

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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.