Finding the Fourth Proportional to 1,046,636.63, 1,444,583.67 and 638,651.11
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Solution
The fourth proportional to 1,046,636.63, 1,444,583.67 and 638,651.11 is: 881,475.90
Step by Step Solution
- Step 1: Write the proportion equation
1,046,636.63 : 1,444,583.67 = 638,651.11 : x - Step 2: Convert to fraction form
1,046,636.63/1,444,583.67 = 638,651.11/x - Step 3: Cross multiply
1,046,636.63x = 1,444,583.67 × 638,651.11 - Step 4: Simplify right side
1,046,636.63x = 922,584,964,333.37 - Step 5: Solve for x
x = 922,584,964,333.37/1,046,636.63 - Step 6: Final answer
x = 881,475.90
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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.