Finding the Fourth Proportional to 1,276,901.29, 1,762,137.36 and 703,961.96
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Solution
The fourth proportional to 1,276,901.29, 1,762,137.36 and 703,961.96 is: 971,474.99
Step by Step Solution
- Step 1: Write the proportion equation
1,276,901.29 : 1,762,137.36 = 703,961.96 : x - Step 2: Convert to fraction form
1,276,901.29/1,762,137.36 = 703,961.96/x - Step 3: Cross multiply
1,276,901.29x = 1,762,137.36 × 703,961.96 - Step 4: Simplify right side
1,276,901.29x = 1,240,477,666,215.02 - Step 5: Solve for x
x = 1,240,477,666,215.02/1,276,901.29 - Step 6: Final answer
x = 971,474.99
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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.