Finding the Fourth Proportional to 1,165,662.69, 1,607,998.80 and 802,455.99
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Solution
The fourth proportional to 1,165,662.69, 1,607,998.80 and 802,455.99 is: 1,106,965.40
Step by Step Solution
- Step 1: Write the proportion equation
1,165,662.69 : 1,607,998.80 = 802,455.99 : x - Step 2: Convert to fraction form
1,165,662.69/1,607,998.80 = 802,455.99/x - Step 3: Cross multiply
1,165,662.69x = 1,607,998.80 × 802,455.99 - Step 4: Simplify right side
1,165,662.69x = 1,290,348,268,972.81 - Step 5: Solve for x
x = 1,290,348,268,972.81/1,165,662.69 - Step 6: Final answer
x = 1,106,965.40
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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.