Home / 1,221,354.88-1,832,047.91-322,788.85

Finding the Fourth Proportional to 1,221,354.88, 1,832,047.91 and 322,788.85

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Solution

The fourth proportional to 1,221,354.88, 1,832,047.91 and 322,788.85 is: 484,187.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,354.88 : 1,832,047.91 = 322,788.85 : x
  2. Step 2: Convert to fraction form
    1,221,354.88/1,832,047.91 = 322,788.85/x
  3. Step 3: Cross multiply
    1,221,354.88x = 1,832,047.91 × 322,788.85
  4. Step 4: Simplify right side
    1,221,354.88x = 591,364,638,013.80
  5. Step 5: Solve for x
    x = 591,364,638,013.80/1,221,354.88
  6. Step 6: Final answer
    x = 484,187.40

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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.