Finding the Fourth Proportional to 1,234,536.73, 1,703,726.88 and 690,640.09
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Solution
The fourth proportional to 1,234,536.73, 1,703,726.88 and 690,640.09 is: 953,120.35
Step by Step Solution
- Step 1: Write the proportion equation
1,234,536.73 : 1,703,726.88 = 690,640.09 : x - Step 2: Convert to fraction form
1,234,536.73/1,703,726.88 = 690,640.09/x - Step 3: Cross multiply
1,234,536.73x = 1,703,726.88 × 690,640.09 - Step 4: Simplify right side
1,234,536.73x = 1,176,662,085,738.62 - Step 5: Solve for x
x = 1,176,662,085,738.62/1,234,536.73 - Step 6: Final answer
x = 953,120.35
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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.