Home / 1,089,464.64-1,634,240.88-379,564.56

Finding the Fourth Proportional to 1,089,464.64, 1,634,240.88 and 379,564.56

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Solution

The fourth proportional to 1,089,464.64, 1,634,240.88 and 379,564.56 is: 569,362.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,464.64 : 1,634,240.88 = 379,564.56 : x
  2. Step 2: Convert to fraction form
    1,089,464.64/1,634,240.88 = 379,564.56/x
  3. Step 3: Cross multiply
    1,089,464.64x = 1,634,240.88 × 379,564.56
  4. Step 4: Simplify right side
    1,089,464.64x = 620,299,920,551.21
  5. Step 5: Solve for x
    x = 620,299,920,551.21/1,089,464.64
  6. Step 6: Final answer
    x = 569,362.14

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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.