Home / 1,412,745.54-2,119,118.52-415,473.54

Finding the Fourth Proportional to 1,412,745.54, 2,119,118.52 and 415,473.54

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Solution

The fourth proportional to 1,412,745.54, 2,119,118.52 and 415,473.54 is: 623,210.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,412,745.54 : 2,119,118.52 = 415,473.54 : x
  2. Step 2: Convert to fraction form
    1,412,745.54/2,119,118.52 = 415,473.54/x
  3. Step 3: Cross multiply
    1,412,745.54x = 2,119,118.52 × 415,473.54
  4. Step 4: Simplify right side
    1,412,745.54x = 880,437,673,183.96
  5. Step 5: Solve for x
    x = 880,437,673,183.96/1,412,745.54
  6. Step 6: Final answer
    x = 623,210.37

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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.