Home / 1,014,811.92-1,522,289.52-407,600.64

Finding the Fourth Proportional to 1,014,811.92, 1,522,289.52 and 407,600.64

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Solution

The fourth proportional to 1,014,811.92, 1,522,289.52 and 407,600.64 is: 611,429.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,014,811.92 : 1,522,289.52 = 407,600.64 : x
  2. Step 2: Convert to fraction form
    1,014,811.92/1,522,289.52 = 407,600.64/x
  3. Step 3: Cross multiply
    1,014,811.92x = 1,522,289.52 × 407,600.64
  4. Step 4: Simplify right side
    1,014,811.92x = 620,486,182,617.29
  5. Step 5: Solve for x
    x = 620,486,182,617.29/1,014,811.92
  6. Step 6: Final answer
    x = 611,429.73

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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.