Home / 1,494,388.88-2,061,632.60-978,269.02

Finding the Fourth Proportional to 1,494,388.88, 2,061,632.60 and 978,269.02

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Solution

The fourth proportional to 1,494,388.88, 2,061,632.60 and 978,269.02 is: 1,349,602.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,494,388.88 : 2,061,632.60 = 978,269.02 : x
  2. Step 2: Convert to fraction form
    1,494,388.88/2,061,632.60 = 978,269.02/x
  3. Step 3: Cross multiply
    1,494,388.88x = 2,061,632.60 × 978,269.02
  4. Step 4: Simplify right side
    1,494,388.88x = 2,016,831,303,202.05
  5. Step 5: Solve for x
    x = 2,016,831,303,202.05/1,494,388.88
  6. Step 6: Final answer
    x = 1,349,602.72

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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.