Finding the Fourth Proportional to 1,247,511.62, 1,721,494.66 and 703,614.97
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Solution
The fourth proportional to 1,247,511.62, 1,721,494.66 and 703,614.97 is: 970,948.40
Step by Step Solution
- Step 1: Write the proportion equation
1,247,511.62 : 1,721,494.66 = 703,614.97 : x - Step 2: Convert to fraction form
1,247,511.62/1,721,494.66 = 703,614.97/x - Step 3: Cross multiply
1,247,511.62x = 1,721,494.66 × 703,614.97 - Step 4: Simplify right side
1,247,511.62x = 1,211,269,407,011.07 - Step 5: Solve for x
x = 1,211,269,407,011.07/1,247,511.62 - Step 6: Final answer
x = 970,948.40
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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.