Finding the Fourth Proportional to 1,313,745.63, 1,812,968.17 and 710,133.63
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Solution
The fourth proportional to 1,313,745.63, 1,812,968.17 and 710,133.63 is: 979,983.98
Step by Step Solution
- Step 1: Write the proportion equation
1,313,745.63 : 1,812,968.17 = 710,133.63 : x - Step 2: Convert to fraction form
1,313,745.63/1,812,968.17 = 710,133.63/x - Step 3: Cross multiply
1,313,745.63x = 1,812,968.17 × 710,133.63 - Step 4: Simplify right side
1,313,745.63x = 1,287,449,665,861.22 - Step 5: Solve for x
x = 1,287,449,665,861.22/1,313,745.63 - Step 6: Final answer
x = 979,983.98
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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.