Home / 1,728,609.80-2,589,609.90-929,625.80

Finding the Fourth Proportional to 1,728,609.80, 2,589,609.90 and 929,625.80

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Solution

The fourth proportional to 1,728,609.80, 2,589,609.90 and 929,625.80 is: 1,392,661.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,609.80 : 2,589,609.90 = 929,625.80 : x
  2. Step 2: Convert to fraction form
    1,728,609.80/2,589,609.90 = 929,625.80/x
  3. Step 3: Cross multiply
    1,728,609.80x = 2,589,609.90 × 929,625.80
  4. Step 4: Simplify right side
    1,728,609.80x = 2,407,368,174,975.42
  5. Step 5: Solve for x
    x = 2,407,368,174,975.42/1,728,609.80
  6. Step 6: Final answer
    x = 1,392,661.42

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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.