Home / 1,221,356.89-1,832,050.91-322,790.86

Finding the Fourth Proportional to 1,221,356.89, 1,832,050.91 and 322,790.86

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Solution

The fourth proportional to 1,221,356.89, 1,832,050.91 and 322,790.86 is: 484,190.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,356.89 : 1,832,050.91 = 322,790.86 : x
  2. Step 2: Convert to fraction form
    1,221,356.89/1,832,050.91 = 322,790.86/x
  3. Step 3: Cross multiply
    1,221,356.89x = 1,832,050.91 × 322,790.86
  4. Step 4: Simplify right side
    1,221,356.89x = 591,369,285,029.53
  5. Step 5: Solve for x
    x = 591,369,285,029.53/1,221,356.89
  6. Step 6: Final answer
    x = 484,190.40

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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.