Finding the Fourth Proportional to 1,330,740.69, 1,836,439.86 and 757,783.14
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Solution
The fourth proportional to 1,330,740.69, 1,836,439.86 and 757,783.14 is: 1,045,750.82
Step by Step Solution
- Step 1: Write the proportion equation
1,330,740.69 : 1,836,439.86 = 757,783.14 : x - Step 2: Convert to fraction form
1,330,740.69/1,836,439.86 = 757,783.14/x - Step 3: Cross multiply
1,330,740.69x = 1,836,439.86 × 757,783.14 - Step 4: Simplify right side
1,330,740.69x = 1,391,623,163,531.96 - Step 5: Solve for x
x = 1,391,623,163,531.96/1,330,740.69 - Step 6: Final answer
x = 1,045,750.82
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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.