Finding the Fourth Proportional to 1,185,304.62, 1,635,720.26 and 641,440.32
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Solution
The fourth proportional to 1,185,304.62, 1,635,720.26 and 641,440.32 is: 885,187.58
Step by Step Solution
- Step 1: Write the proportion equation
1,185,304.62 : 1,635,720.26 = 641,440.32 : x - Step 2: Convert to fraction form
1,185,304.62/1,635,720.26 = 641,440.32/x - Step 3: Cross multiply
1,185,304.62x = 1,635,720.26 × 641,440.32 - Step 4: Simplify right side
1,185,304.62x = 1,049,216,927,004.88 - Step 5: Solve for x
x = 1,049,216,927,004.88/1,185,304.62 - Step 6: Final answer
x = 885,187.58
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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.