Finding the Fourth Proportional to 1,230,163.20, 1,845,244.80 and 566,611.20
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Solution
The fourth proportional to 1,230,163.20, 1,845,244.80 and 566,611.20 is: 849,916.80
Step by Step Solution
- Step 1: Write the proportion equation
1,230,163.20 : 1,845,244.80 = 566,611.20 : x - Step 2: Convert to fraction form
1,230,163.20/1,845,244.80 = 566,611.20/x - Step 3: Cross multiply
1,230,163.20x = 1,845,244.80 × 566,611.20 - Step 4: Simplify right side
1,230,163.20x = 1,045,536,370,421.76 - Step 5: Solve for x
x = 1,045,536,370,421.76/1,230,163.20 - Step 6: Final answer
x = 849,916.80
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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.