Home / 1,228,249.86-1,843,409.97-518,787.06

Finding the Fourth Proportional to 1,228,249.86, 1,843,409.97 and 518,787.06

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Solution

The fourth proportional to 1,228,249.86, 1,843,409.97 and 518,787.06 is: 778,617.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,249.86 : 1,843,409.97 = 518,787.06 : x
  2. Step 2: Convert to fraction form
    1,228,249.86/1,843,409.97 = 518,787.06/x
  3. Step 3: Cross multiply
    1,228,249.86x = 1,843,409.97 × 518,787.06
  4. Step 4: Simplify right side
    1,228,249.86x = 956,337,238,710.99
  5. Step 5: Solve for x
    x = 956,337,238,710.99/1,228,249.86
  6. Step 6: Final answer
    x = 778,617.83

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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.