Finding the Fourth Proportional to 1,219,060.11, 1,682,229.05 and 675,163.47
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Solution
The fourth proportional to 1,219,060.11, 1,682,229.05 and 675,163.47 is: 931,684.66
Step by Step Solution
- Step 1: Write the proportion equation
1,219,060.11 : 1,682,229.05 = 675,163.47 : x - Step 2: Convert to fraction form
1,219,060.11/1,682,229.05 = 675,163.47/x - Step 3: Cross multiply
1,219,060.11x = 1,682,229.05 × 675,163.47 - Step 4: Simplify right side
1,219,060.11x = 1,135,779,599,356.99 - Step 5: Solve for x
x = 1,135,779,599,356.99/1,219,060.11 - Step 6: Final answer
x = 931,684.66
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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.