Home / 1,309,779.23-1,964,668.91-363,149.96

Finding the Fourth Proportional to 1,309,779.23, 1,964,668.91 and 363,149.96

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Solution

The fourth proportional to 1,309,779.23, 1,964,668.91 and 363,149.96 is: 544,724.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,309,779.23 : 1,964,668.91 = 363,149.96 : x
  2. Step 2: Convert to fraction form
    1,309,779.23/1,964,668.91 = 363,149.96/x
  3. Step 3: Cross multiply
    1,309,779.23x = 1,964,668.91 × 363,149.96
  4. Step 4: Simplify right side
    1,309,779.23x = 713,469,424,440.65
  5. Step 5: Solve for x
    x = 713,469,424,440.65/1,309,779.23
  6. Step 6: Final answer
    x = 544,724.95

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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.