Finding the Fourth Proportional to 1,165,664.69, 1,608,001.56 and 802,457.99
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Solution
The fourth proportional to 1,165,664.69, 1,608,001.56 and 802,457.99 is: 1,106,968.16
Step by Step Solution
- Step 1: Write the proportion equation
1,165,664.69 : 1,608,001.56 = 802,457.99 : x - Step 2: Convert to fraction form
1,165,664.69/1,608,001.56 = 802,457.99/x - Step 3: Cross multiply
1,165,664.69x = 1,608,001.56 × 802,457.99 - Step 4: Simplify right side
1,165,664.69x = 1,290,353,699,754.46 - Step 5: Solve for x
x = 1,290,353,699,754.46/1,165,664.69 - Step 6: Final answer
x = 1,106,968.16
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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.