Finding the Fourth Proportional to 1,107,674.19, 1,661,511.15 and 266,225.94
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Solution
The fourth proportional to 1,107,674.19, 1,661,511.15 and 266,225.94 is: 399,338.88
Step by Step Solution
- Step 1: Write the proportion equation
1,107,674.19 : 1,661,511.15 = 266,225.94 : x - Step 2: Convert to fraction form
1,107,674.19/1,661,511.15 = 266,225.94/x - Step 3: Cross multiply
1,107,674.19x = 1,661,511.15 × 266,225.94 - Step 4: Simplify right side
1,107,674.19x = 442,337,367,729.23 - Step 5: Solve for x
x = 442,337,367,729.23/1,107,674.19 - Step 6: Final answer
x = 399,338.88
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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.