Home / 1,372,768.89-2,057,928.60-698,473.05

Finding the Fourth Proportional to 1,372,768.89, 2,057,928.60 and 698,473.05

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Solution

The fourth proportional to 1,372,768.89, 2,057,928.60 and 698,473.05 is: 1,047,086.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,372,768.89 : 2,057,928.60 = 698,473.05 : x
  2. Step 2: Convert to fraction form
    1,372,768.89/2,057,928.60 = 698,473.05/x
  3. Step 3: Cross multiply
    1,372,768.89x = 2,057,928.60 × 698,473.05
  4. Step 4: Simplify right side
    1,372,768.89x = 1,437,407,665,924.23
  5. Step 5: Solve for x
    x = 1,437,407,665,924.23/1,372,768.89
  6. Step 6: Final answer
    x = 1,047,086.42

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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.