Home / 1,331,928.70-1,995,596.70-620,497.60

Finding the Fourth Proportional to 1,331,928.70, 1,995,596.70 and 620,497.60

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Solution

The fourth proportional to 1,331,928.70, 1,995,596.70 and 620,497.60 is: 929,676.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,928.70 : 1,995,596.70 = 620,497.60 : x
  2. Step 2: Convert to fraction form
    1,331,928.70/1,995,596.70 = 620,497.60/x
  3. Step 3: Cross multiply
    1,331,928.70x = 1,995,596.70 × 620,497.60
  4. Step 4: Simplify right side
    1,331,928.70x = 1,238,262,962,917.92
  5. Step 5: Solve for x
    x = 1,238,262,962,917.92/1,331,928.70
  6. Step 6: Final answer
    x = 929,676.61

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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.