Finding the Fourth Proportional to 1,276,251.09, 1,761,238.13 and 703,311.81
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Solution
The fourth proportional to 1,276,251.09, 1,761,238.13 and 703,311.81 is: 970,576.70
Step by Step Solution
- Step 1: Write the proportion equation
1,276,251.09 : 1,761,238.13 = 703,311.81 : x - Step 2: Convert to fraction form
1,276,251.09/1,761,238.13 = 703,311.81/x - Step 3: Cross multiply
1,276,251.09x = 1,761,238.13 × 703,311.81 - Step 4: Simplify right side
1,276,251.09x = 1,238,699,577,051.32 - Step 5: Solve for x
x = 1,238,699,577,051.32/1,276,251.09 - Step 6: Final answer
x = 970,576.70
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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.