Home / 1,904,668.38-2,628,474.30-1,045,308.60

Finding the Fourth Proportional to 1,904,668.38, 2,628,474.30 and 1,045,308.60

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Solution

The fourth proportional to 1,904,668.38, 2,628,474.30 and 1,045,308.60 is: 1,442,543.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,904,668.38 : 2,628,474.30 = 1,045,308.60 : x
  2. Step 2: Convert to fraction form
    1,904,668.38/2,628,474.30 = 1,045,308.60/x
  3. Step 3: Cross multiply
    1,904,668.38x = 2,628,474.30 × 1,045,308.60
  4. Step 4: Simplify right side
    1,904,668.38x = 2,747,566,790,668.98
  5. Step 5: Solve for x
    x = 2,747,566,790,668.98/1,904,668.38
  6. Step 6: Final answer
    x = 1,442,543.39

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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.