Home / 1,780,261.20-2,456,757.60-964,485.60

Finding the Fourth Proportional to 1,780,261.20, 2,456,757.60 and 964,485.60

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Solution

The fourth proportional to 1,780,261.20, 2,456,757.60 and 964,485.60 is: 1,330,988.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,780,261.20 : 2,456,757.60 = 964,485.60 : x
  2. Step 2: Convert to fraction form
    1,780,261.20/2,456,757.60 = 964,485.60/x
  3. Step 3: Cross multiply
    1,780,261.20x = 2,456,757.60 × 964,485.60
  4. Step 4: Simplify right side
    1,780,261.20x = 2,369,507,327,890.56
  5. Step 5: Solve for x
    x = 2,369,507,327,890.56/1,780,261.20
  6. Step 6: Final answer
    x = 1,330,988.58

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.