Home / 1,334,727.20-2,001,896.40-387,999.20

Finding the Fourth Proportional to 1,334,727.20, 2,001,896.40 and 387,999.20

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Solution

The fourth proportional to 1,334,727.20, 2,001,896.40 and 387,999.20 is: 581,942.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,334,727.20 : 2,001,896.40 = 387,999.20 : x
  2. Step 2: Convert to fraction form
    1,334,727.20/2,001,896.40 = 387,999.20/x
  3. Step 3: Cross multiply
    1,334,727.20x = 2,001,896.40 × 387,999.20
  4. Step 4: Simplify right side
    1,334,727.20x = 776,734,201,682.88
  5. Step 5: Solve for x
    x = 776,734,201,682.88/1,334,727.20
  6. Step 6: Final answer
    x = 581,942.29

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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.