Finding the Fourth Proportional to 1,243,534.36, 1,716,210.30 and 760,382.68
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Solution
The fourth proportional to 1,243,534.36, 1,716,210.30 and 760,382.68 is: 1,049,409.35
Step by Step Solution
- Step 1: Write the proportion equation
1,243,534.36 : 1,716,210.30 = 760,382.68 : x - Step 2: Convert to fraction form
1,243,534.36/1,716,210.30 = 760,382.68/x - Step 3: Cross multiply
1,243,534.36x = 1,716,210.30 × 760,382.68 - Step 4: Simplify right side
1,243,534.36x = 1,304,976,587,357.60 - Step 5: Solve for x
x = 1,304,976,587,357.60/1,243,534.36 - Step 6: Final answer
x = 1,049,409.35
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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.