Home / 1,177,962.80-1,767,221.10-379,214.50

Finding the Fourth Proportional to 1,177,962.80, 1,767,221.10 and 379,214.50

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Solution

The fourth proportional to 1,177,962.80, 1,767,221.10 and 379,214.50 is: 568,910.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,962.80 : 1,767,221.10 = 379,214.50 : x
  2. Step 2: Convert to fraction form
    1,177,962.80/1,767,221.10 = 379,214.50/x
  3. Step 3: Cross multiply
    1,177,962.80x = 1,767,221.10 × 379,214.50
  4. Step 4: Simplify right side
    1,177,962.80x = 670,155,865,825.95
  5. Step 5: Solve for x
    x = 670,155,865,825.95/1,177,962.80
  6. Step 6: Final answer
    x = 568,910.89

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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.