Finding the Fourth Proportional to 1,276,369.11, 1,761,389.34 and 703,409.29
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Solution
The fourth proportional to 1,276,369.11, 1,761,389.34 and 703,409.29 is: 970,704.79
Step by Step Solution
- Step 1: Write the proportion equation
1,276,369.11 : 1,761,389.34 = 703,409.29 : x - Step 2: Convert to fraction form
1,276,369.11/1,761,389.34 = 703,409.29/x - Step 3: Cross multiply
1,276,369.11x = 1,761,389.34 × 703,409.29 - Step 4: Simplify right side
1,276,369.11x = 1,238,977,612,738.98 - Step 5: Solve for x
x = 1,238,977,612,738.98/1,276,369.11 - Step 6: Final answer
x = 970,704.79
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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.