Home / 1,217,429.76-1,823,481.60-617,356.80

Finding the Fourth Proportional to 1,217,429.76, 1,823,481.60 and 617,356.80

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Solution

The fourth proportional to 1,217,429.76, 1,823,481.60 and 617,356.80 is: 924,684.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,429.76 : 1,823,481.60 = 617,356.80 : x
  2. Step 2: Convert to fraction form
    1,217,429.76/1,823,481.60 = 617,356.80/x
  3. Step 3: Cross multiply
    1,217,429.76x = 1,823,481.60 × 617,356.80
  4. Step 4: Simplify right side
    1,217,429.76x = 1,125,738,765,434.88
  5. Step 5: Solve for x
    x = 1,125,738,765,434.88/1,217,429.76
  6. Step 6: Final answer
    x = 924,684.78

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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.