Finding the Fourth Proportional to 1,276,462.68, 1,761,446.70 and 703,501.08
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Solution
The fourth proportional to 1,276,462.68, 1,761,446.70 and 703,501.08 is: 970,791.92
Step by Step Solution
- Step 1: Write the proportion equation
1,276,462.68 : 1,761,446.70 = 703,501.08 : x - Step 2: Convert to fraction form
1,276,462.68/1,761,446.70 = 703,501.08/x - Step 3: Cross multiply
1,276,462.68x = 1,761,446.70 × 703,501.08 - Step 4: Simplify right side
1,276,462.68x = 1,239,179,655,812.44 - Step 5: Solve for x
x = 1,239,179,655,812.44/1,276,462.68 - Step 6: Final answer
x = 970,791.92
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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.