Home / 1,089,428.20-1,632,392.70-1,026,442.60

Finding the Fourth Proportional to 1,089,428.20, 1,632,392.70 and 1,026,442.60

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Solution

The fourth proportional to 1,089,428.20, 1,632,392.70 and 1,026,442.60 is: 1,538,015.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,428.20 : 1,632,392.70 = 1,026,442.60 : x
  2. Step 2: Convert to fraction form
    1,089,428.20/1,632,392.70 = 1,026,442.60/x
  3. Step 3: Cross multiply
    1,089,428.20x = 1,632,392.70 × 1,026,442.60
  4. Step 4: Simplify right side
    1,089,428.20x = 1,675,557,407,209.02
  5. Step 5: Solve for x
    x = 1,675,557,407,209.02/1,089,428.20
  6. Step 6: Final answer
    x = 1,538,015.45

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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.