Finding the Fourth Proportional to 1,372,277.97, 1,893,754.72 and 760,440.95
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Solution
The fourth proportional to 1,372,277.97, 1,893,754.72 and 760,440.95 is: 1,049,414.67
Step by Step Solution
- Step 1: Write the proportion equation
1,372,277.97 : 1,893,754.72 = 760,440.95 : x - Step 2: Convert to fraction form
1,372,277.97/1,893,754.72 = 760,440.95/x - Step 3: Cross multiply
1,372,277.97x = 1,893,754.72 × 760,440.95 - Step 4: Simplify right side
1,372,277.97x = 1,440,088,638,343.78 - Step 5: Solve for x
x = 1,440,088,638,343.78/1,372,277.97 - Step 6: Final answer
x = 1,049,414.67
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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.