Finding the Fourth Proportional to 1,206,456.26, 1,809,990.70 and 558,499.58
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Solution
The fourth proportional to 1,206,456.26, 1,809,990.70 and 558,499.58 is: 837,891.17
Step by Step Solution
- Step 1: Write the proportion equation
1,206,456.26 : 1,809,990.70 = 558,499.58 : x - Step 2: Convert to fraction form
1,206,456.26/1,809,990.70 = 558,499.58/x - Step 3: Cross multiply
1,206,456.26x = 1,809,990.70 × 558,499.58 - Step 4: Simplify right side
1,206,456.26x = 1,010,879,045,753.91 - Step 5: Solve for x
x = 1,010,879,045,753.91/1,206,456.26 - Step 6: Final answer
x = 837,891.17
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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.