Home / 1,518,532.45-2,278,639.44-909,824.90

Finding the Fourth Proportional to 1,518,532.45, 2,278,639.44 and 909,824.90

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Solution

The fourth proportional to 1,518,532.45, 2,278,639.44 and 909,824.90 is: 1,365,241.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,518,532.45 : 2,278,639.44 = 909,824.90 : x
  2. Step 2: Convert to fraction form
    1,518,532.45/2,278,639.44 = 909,824.90/x
  3. Step 3: Cross multiply
    1,518,532.45x = 2,278,639.44 × 909,824.90
  4. Step 4: Simplify right side
    1,518,532.45x = 2,073,162,889,240.86
  5. Step 5: Solve for x
    x = 2,073,162,889,240.86/1,518,532.45
  6. Step 6: Final answer
    x = 1,365,241.09

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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.