Finding the Fourth Proportional to 1,276,376.96, 1,761,411.84 and 703,437.92
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Solution
The fourth proportional to 1,276,376.96, 1,761,411.84 and 703,437.92 is: 970,750.74
Step by Step Solution
- Step 1: Write the proportion equation
1,276,376.96 : 1,761,411.84 = 703,437.92 : x - Step 2: Convert to fraction form
1,276,376.96/1,761,411.84 = 703,437.92/x - Step 3: Cross multiply
1,276,376.96x = 1,761,411.84 × 703,437.92 - Step 4: Simplify right side
1,276,376.96x = 1,239,043,880,992.97 - Step 5: Solve for x
x = 1,239,043,880,992.97/1,276,376.96 - Step 6: Final answer
x = 970,750.74
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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.