Home / 1,100,462.28-1,518,653.48-664,819.07

Finding the Fourth Proportional to 1,100,462.28, 1,518,653.48 and 664,819.07

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Solution

The fourth proportional to 1,100,462.28, 1,518,653.48 and 664,819.07 is: 917,459.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,462.28 : 1,518,653.48 = 664,819.07 : x
  2. Step 2: Convert to fraction form
    1,100,462.28/1,518,653.48 = 664,819.07/x
  3. Step 3: Cross multiply
    1,100,462.28x = 1,518,653.48 × 664,819.07
  4. Step 4: Simplify right side
    1,100,462.28x = 1,009,629,783,308.50
  5. Step 5: Solve for x
    x = 1,009,629,783,308.50/1,100,462.28
  6. Step 6: Final answer
    x = 917,459.69

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.