Home / 1,728,239.28-2,384,588.40-1,002,666.72

Finding the Fourth Proportional to 1,728,239.28, 2,384,588.40 and 1,002,666.72

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Solution

The fourth proportional to 1,728,239.28, 2,384,588.40 and 1,002,666.72 is: 1,383,458.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,728,239.28 : 2,384,588.40 = 1,002,666.72 : x
  2. Step 2: Convert to fraction form
    1,728,239.28/2,384,588.40 = 1,002,666.72/x
  3. Step 3: Cross multiply
    1,728,239.28x = 2,384,588.40 × 1,002,666.72
  4. Step 4: Simplify right side
    1,728,239.28x = 2,390,947,429,578.05
  5. Step 5: Solve for x
    x = 2,390,947,429,578.05/1,728,239.28
  6. Step 6: Final answer
    x = 1,383,458.56

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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.