Home / 1,115,698.56-1,672,604.64-484,134.72

Finding the Fourth Proportional to 1,115,698.56, 1,672,604.64 and 484,134.72

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Solution

The fourth proportional to 1,115,698.56, 1,672,604.64 and 484,134.72 is: 725,792.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,698.56 : 1,672,604.64 = 484,134.72 : x
  2. Step 2: Convert to fraction form
    1,115,698.56/1,672,604.64 = 484,134.72/x
  3. Step 3: Cross multiply
    1,115,698.56x = 1,672,604.64 × 484,134.72
  4. Step 4: Simplify right side
    1,115,698.56x = 809,765,979,057.10
  5. Step 5: Solve for x
    x = 809,765,979,057.10/1,115,698.56
  6. Step 6: Final answer
    x = 725,792.80

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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.