Finding the Fourth Proportional to 1,247,532.24, 1,721,614.29 and 703,678.83
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Solution
The fourth proportional to 1,247,532.24, 1,721,614.29 and 703,678.83 is: 971,087.95
Step by Step Solution
- Step 1: Write the proportion equation
1,247,532.24 : 1,721,614.29 = 703,678.83 : x - Step 2: Convert to fraction form
1,247,532.24/1,721,614.29 = 703,678.83/x - Step 3: Cross multiply
1,247,532.24x = 1,721,614.29 × 703,678.83 - Step 4: Simplify right side
1,247,532.24x = 1,211,463,529,298.48 - Step 5: Solve for x
x = 1,211,463,529,298.48/1,247,532.24 - Step 6: Final answer
x = 971,087.95
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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.