Home / 1,220,242.84-1,829,790.54-451,209.20

Finding the Fourth Proportional to 1,220,242.84, 1,829,790.54 and 451,209.20

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Solution

The fourth proportional to 1,220,242.84, 1,829,790.54 and 451,209.20 is: 676,601.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,220,242.84 : 1,829,790.54 = 451,209.20 : x
  2. Step 2: Convert to fraction form
    1,220,242.84/1,829,790.54 = 451,209.20/x
  3. Step 3: Cross multiply
    1,220,242.84x = 1,829,790.54 × 451,209.20
  4. Step 4: Simplify right side
    1,220,242.84x = 825,618,325,720.97
  5. Step 5: Solve for x
    x = 825,618,325,720.97/1,220,242.84
  6. Step 6: Final answer
    x = 676,601.66

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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.