Finding the Fourth Proportional to 1,107,992.97, 1,529,008.79 and 624,548.93
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Solution
The fourth proportional to 1,107,992.97, 1,529,008.79 and 624,548.93 is: 861,865.39
Step by Step Solution
- Step 1: Write the proportion equation
1,107,992.97 : 1,529,008.79 = 624,548.93 : x - Step 2: Convert to fraction form
1,107,992.97/1,529,008.79 = 624,548.93/x - Step 3: Cross multiply
1,107,992.97x = 1,529,008.79 × 624,548.93 - Step 4: Simplify right side
1,107,992.97x = 954,940,792,987.31 - Step 5: Solve for x
x = 954,940,792,987.31/1,107,992.97 - Step 6: Final answer
x = 861,865.39
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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.