Home / 1,387,662.30-2,080,509.30-629,866.80

Finding the Fourth Proportional to 1,387,662.30, 2,080,509.30 and 629,866.80

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Solution

The fourth proportional to 1,387,662.30, 2,080,509.30 and 629,866.80 is: 944,353.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,387,662.30 : 2,080,509.30 = 629,866.80 : x
  2. Step 2: Convert to fraction form
    1,387,662.30/2,080,509.30 = 629,866.80/x
  3. Step 3: Cross multiply
    1,387,662.30x = 2,080,509.30 × 629,866.80
  4. Step 4: Simplify right side
    1,387,662.30x = 1,310,443,735,161.24
  5. Step 5: Solve for x
    x = 1,310,443,735,161.24/1,387,662.30
  6. Step 6: Final answer
    x = 944,353.49

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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.