Finding the Fourth Proportional to 1,267,062.36, 1,748,108.97 and 722,805.54
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Solution
The fourth proportional to 1,267,062.36, 1,748,108.97 and 722,805.54 is: 997,222.31
Step by Step Solution
- Step 1: Write the proportion equation
1,267,062.36 : 1,748,108.97 = 722,805.54 : x - Step 2: Convert to fraction form
1,267,062.36/1,748,108.97 = 722,805.54/x - Step 3: Cross multiply
1,267,062.36x = 1,748,108.97 × 722,805.54 - Step 4: Simplify right side
1,267,062.36x = 1,263,542,848,039.69 - Step 5: Solve for x
x = 1,263,542,848,039.69/1,267,062.36 - Step 6: Final answer
x = 997,222.31
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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.