Home / 1,089,219.15-1,503,141.74-605,784.52

Finding the Fourth Proportional to 1,089,219.15, 1,503,141.74 and 605,784.52

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Solution

The fourth proportional to 1,089,219.15, 1,503,141.74 and 605,784.52 is: 835,993.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,219.15 : 1,503,141.74 = 605,784.52 : x
  2. Step 2: Convert to fraction form
    1,089,219.15/1,503,141.74 = 605,784.52/x
  3. Step 3: Cross multiply
    1,089,219.15x = 1,503,141.74 × 605,784.52
  4. Step 4: Simplify right side
    1,089,219.15x = 910,579,998,579.56
  5. Step 5: Solve for x
    x = 910,579,998,579.56/1,089,219.15
  6. Step 6: Final answer
    x = 835,993.38

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.