Home / 1,280,052.36-1,766,604.06-736,208.64

Finding the Fourth Proportional to 1,280,052.36, 1,766,604.06 and 736,208.64

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Solution

The fourth proportional to 1,280,052.36, 1,766,604.06 and 736,208.64 is: 1,016,043.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,280,052.36 : 1,766,604.06 = 736,208.64 : x
  2. Step 2: Convert to fraction form
    1,280,052.36/1,766,604.06 = 736,208.64/x
  3. Step 3: Cross multiply
    1,280,052.36x = 1,766,604.06 × 736,208.64
  4. Step 4: Simplify right side
    1,280,052.36x = 1,300,589,172,431.08
  5. Step 5: Solve for x
    x = 1,300,589,172,431.08/1,280,052.36
  6. Step 6: Final answer
    x = 1,016,043.73

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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.