Home / 1,665,420.70-2,497,757.38-765,998.32

Finding the Fourth Proportional to 1,665,420.70, 2,497,757.38 and 765,998.32

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Solution

The fourth proportional to 1,665,420.70, 2,497,757.38 and 765,998.32 is: 1,148,825.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,665,420.70 : 2,497,757.38 = 765,998.32 : x
  2. Step 2: Convert to fraction form
    1,665,420.70/2,497,757.38 = 765,998.32/x
  3. Step 3: Cross multiply
    1,665,420.70x = 2,497,757.38 × 765,998.32
  4. Step 4: Simplify right side
    1,665,420.70x = 1,913,277,956,847.60
  5. Step 5: Solve for x
    x = 1,913,277,956,847.60/1,665,420.70
  6. Step 6: Final answer
    x = 1,148,825.61

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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.