Home / 1,007,408.81-1,390,249.08-548,548.54

Finding the Fourth Proportional to 1,007,408.81, 1,390,249.08 and 548,548.54

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Solution

The fourth proportional to 1,007,408.81, 1,390,249.08 and 548,548.54 is: 757,010.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,408.81 : 1,390,249.08 = 548,548.54 : x
  2. Step 2: Convert to fraction form
    1,007,408.81/1,390,249.08 = 548,548.54/x
  3. Step 3: Cross multiply
    1,007,408.81x = 1,390,249.08 × 548,548.54
  4. Step 4: Simplify right side
    1,007,408.81x = 762,619,099,594.72
  5. Step 5: Solve for x
    x = 762,619,099,594.72/1,007,408.81
  6. Step 6: Final answer
    x = 757,010.55

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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.