Finding the Fourth Proportional to 1,079,212.38, 1,489,315.29 and 595,778.19
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Solution
The fourth proportional to 1,079,212.38, 1,489,315.29 and 595,778.19 is: 822,175.12
Step by Step Solution
- Step 1: Write the proportion equation
1,079,212.38 : 1,489,315.29 = 595,778.19 : x - Step 2: Convert to fraction form
1,079,212.38/1,489,315.29 = 595,778.19/x - Step 3: Cross multiply
1,079,212.38x = 1,489,315.29 × 595,778.19 - Step 4: Simplify right side
1,079,212.38x = 887,301,567,815.53 - Step 5: Solve for x
x = 887,301,567,815.53/1,079,212.38 - Step 6: Final answer
x = 822,175.12
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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.