Finding the Fourth Proportional to 1,117,027.11, 1,675,559.13 and 540,315.21
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Solution
The fourth proportional to 1,117,027.11, 1,675,559.13 and 540,315.21 is: 810,481.75
Step by Step Solution
- Step 1: Write the proportion equation
1,117,027.11 : 1,675,559.13 = 540,315.21 : x - Step 2: Convert to fraction form
1,117,027.11/1,675,559.13 = 540,315.21/x - Step 3: Cross multiply
1,117,027.11x = 1,675,559.13 × 540,315.21 - Step 4: Simplify right side
1,117,027.11x = 905,330,083,193.37 - Step 5: Solve for x
x = 905,330,083,193.37/1,117,027.11 - Step 6: Final answer
x = 810,481.75
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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.