Home / 1,387,412.35-2,081,035.48-376,511.92

Finding the Fourth Proportional to 1,387,412.35, 2,081,035.48 and 376,511.92

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Solution

The fourth proportional to 1,387,412.35, 2,081,035.48 and 376,511.92 is: 564,745.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,412.35 : 2,081,035.48 = 376,511.92 : x
  2. Step 2: Convert to fraction form
    1,387,412.35/2,081,035.48 = 376,511.92/x
  3. Step 3: Cross multiply
    1,387,412.35x = 2,081,035.48 × 376,511.92
  4. Step 4: Simplify right side
    1,387,412.35x = 783,534,658,019.05
  5. Step 5: Solve for x
    x = 783,534,658,019.05/1,387,412.35
  6. Step 6: Final answer
    x = 564,745.34

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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.