Finding the Fourth Proportional to 1,269,846.09, 1,751,888.78 and 725,689.96
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Solution
The fourth proportional to 1,269,846.09, 1,751,888.78 and 725,689.96 is: 1,001,167.07
Step by Step Solution
- Step 1: Write the proportion equation
1,269,846.09 : 1,751,888.78 = 725,689.96 : x - Step 2: Convert to fraction form
1,269,846.09/1,751,888.78 = 725,689.96/x - Step 3: Cross multiply
1,269,846.09x = 1,751,888.78 × 725,689.96 - Step 4: Simplify right side
1,269,846.09x = 1,271,328,086,294.75 - Step 5: Solve for x
x = 1,271,328,086,294.75/1,269,846.09 - Step 6: Final answer
x = 1,001,167.07
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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.