Finding the Fourth Proportional to 1,212,194.36, 1,672,825.94 and 668,326.34
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Solution
The fourth proportional to 1,212,194.36, 1,672,825.94 and 668,326.34 is: 922,289.09
Step by Step Solution
- Step 1: Write the proportion equation
1,212,194.36 : 1,672,825.94 = 668,326.34 : x - Step 2: Convert to fraction form
1,212,194.36/1,672,825.94 = 668,326.34/x - Step 3: Cross multiply
1,212,194.36x = 1,672,825.94 × 668,326.34 - Step 4: Simplify right side
1,212,194.36x = 1,117,993,637,937.26 - Step 5: Solve for x
x = 1,117,993,637,937.26/1,212,194.36 - Step 6: Final answer
x = 922,289.09
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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.