Finding the Fourth Proportional to 1,229,507.44, 1,696,727.55 and 685,677.58
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Solution
The fourth proportional to 1,229,507.44, 1,696,727.55 and 685,677.58 is: 946,239.12
Step by Step Solution
- Step 1: Write the proportion equation
1,229,507.44 : 1,696,727.55 = 685,677.58 : x - Step 2: Convert to fraction form
1,229,507.44/1,696,727.55 = 685,677.58/x - Step 3: Cross multiply
1,229,507.44x = 1,696,727.55 × 685,677.58 - Step 4: Simplify right side
1,229,507.44x = 1,163,408,040,403.33 - Step 5: Solve for x
x = 1,163,408,040,403.33/1,229,507.44 - Step 6: Final answer
x = 946,239.12
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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.