Home / 1,784,858.31-2,678,351.22-647,709.24

Finding the Fourth Proportional to 1,784,858.31, 2,678,351.22 and 647,709.24

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Solution

The fourth proportional to 1,784,858.31, 2,678,351.22 and 647,709.24 is: 971,949.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,784,858.31 : 2,678,351.22 = 647,709.24 : x
  2. Step 2: Convert to fraction form
    1,784,858.31/2,678,351.22 = 647,709.24/x
  3. Step 3: Cross multiply
    1,784,858.31x = 2,678,351.22 × 647,709.24
  4. Step 4: Simplify right side
    1,784,858.31x = 1,734,792,833,159.27
  5. Step 5: Solve for x
    x = 1,734,792,833,159.27/1,784,858.31
  6. Step 6: Final answer
    x = 971,949.89

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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.