Finding the Fourth Proportional to 1,107,616.49, 1,528,512.12 and 598,318.87
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Solution
The fourth proportional to 1,107,616.49, 1,528,512.12 and 598,318.87 is: 825,680.78
Step by Step Solution
- Step 1: Write the proportion equation
1,107,616.49 : 1,528,512.12 = 598,318.87 : x - Step 2: Convert to fraction form
1,107,616.49/1,528,512.12 = 598,318.87/x - Step 3: Cross multiply
1,107,616.49x = 1,528,512.12 × 598,318.87 - Step 4: Simplify right side
1,107,616.49x = 914,537,644,419.71 - Step 5: Solve for x
x = 914,537,644,419.71/1,107,616.49 - Step 6: Final answer
x = 825,680.78
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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.