Home / 1,330,236.40-1,992,935.40-767,599.60

Finding the Fourth Proportional to 1,330,236.40, 1,992,935.40 and 767,599.60

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Solution

The fourth proportional to 1,330,236.40, 1,992,935.40 and 767,599.60 is: 1,150,003.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,236.40 : 1,992,935.40 = 767,599.60 : x
  2. Step 2: Convert to fraction form
    1,330,236.40/1,992,935.40 = 767,599.60/x
  3. Step 3: Cross multiply
    1,330,236.40x = 1,992,935.40 × 767,599.60
  4. Step 4: Simplify right side
    1,330,236.40x = 1,529,776,415,865.84
  5. Step 5: Solve for x
    x = 1,529,776,415,865.84/1,330,236.40
  6. Step 6: Final answer
    x = 1,150,003.42

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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.