Home / 888,639.60-1,330,991.10-731,175.60

Finding the Fourth Proportional to 888,639.60, 1,330,991.10 and 731,175.60

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Solution

The fourth proportional to 888,639.60, 1,330,991.10 and 731,175.60 is: 1,095,143.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    888,639.60 : 1,330,991.10 = 731,175.60 : x
  2. Step 2: Convert to fraction form
    888,639.60/1,330,991.10 = 731,175.60/x
  3. Step 3: Cross multiply
    888,639.60x = 1,330,991.10 × 731,175.60
  4. Step 4: Simplify right side
    888,639.60x = 973,188,216,137.16
  5. Step 5: Solve for x
    x = 973,188,216,137.16/888,639.60
  6. Step 6: Final answer
    x = 1,095,143.88

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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.