Finding the Fourth Proportional to 1,311,149.26, 1,809,497.37 and 738,301.06
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Solution
The fourth proportional to 1,311,149.26, 1,809,497.37 and 738,301.06 is: 1,018,918.19
Step by Step Solution
- Step 1: Write the proportion equation
1,311,149.26 : 1,809,497.37 = 738,301.06 : x - Step 2: Convert to fraction form
1,311,149.26/1,809,497.37 = 738,301.06/x - Step 3: Cross multiply
1,311,149.26x = 1,809,497.37 × 738,301.06 - Step 4: Simplify right side
1,311,149.26x = 1,335,953,826,338.21 - Step 5: Solve for x
x = 1,335,953,826,338.21/1,311,149.26 - Step 6: Final answer
x = 1,018,918.19
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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.