Home / 1,309,772.09-1,964,658.22-363,142.83

Finding the Fourth Proportional to 1,309,772.09, 1,964,658.22 and 363,142.83

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Solution

The fourth proportional to 1,309,772.09, 1,964,658.22 and 363,142.83 is: 544,714.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,772.09 : 1,964,658.22 = 363,142.83 : x
  2. Step 2: Convert to fraction form
    1,309,772.09/1,964,658.22 = 363,142.83/x
  3. Step 3: Cross multiply
    1,309,772.09x = 1,964,658.22 × 363,142.83
  4. Step 4: Simplify right side
    1,309,772.09x = 713,451,545,085.71
  5. Step 5: Solve for x
    x = 713,451,545,085.71/1,309,772.09
  6. Step 6: Final answer
    x = 544,714.27

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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.