Finding the Fourth Proportional to 1,165,663.69, 1,608,000.18 and 802,456.99
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Solution
The fourth proportional to 1,165,663.69, 1,608,000.18 and 802,456.99 is: 1,106,966.78
Step by Step Solution
- Step 1: Write the proportion equation
1,165,663.69 : 1,608,000.18 = 802,456.99 : x - Step 2: Convert to fraction form
1,165,663.69/1,608,000.18 = 802,456.99/x - Step 3: Cross multiply
1,165,663.69x = 1,608,000.18 × 802,456.99 - Step 4: Simplify right side
1,165,663.69x = 1,290,350,984,362.26 - Step 5: Solve for x
x = 1,290,350,984,362.26/1,165,663.69 - Step 6: Final answer
x = 1,106,966.78
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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.