Finding the Fourth Proportional to 1,203,810.09, 1,661,257.69 and 659,949.73
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Solution
The fourth proportional to 1,203,810.09, 1,661,257.69 and 659,949.73 is: 910,730.50
Step by Step Solution
- Step 1: Write the proportion equation
1,203,810.09 : 1,661,257.69 = 659,949.73 : x - Step 2: Convert to fraction form
1,203,810.09/1,661,257.69 = 659,949.73/x - Step 3: Cross multiply
1,203,810.09x = 1,661,257.69 × 659,949.73 - Step 4: Simplify right side
1,203,810.09x = 1,096,346,558,172.91 - Step 5: Solve for x
x = 1,096,346,558,172.91/1,203,810.09 - Step 6: Final answer
x = 910,730.50
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.