Finding the Fourth Proportional to 1,332,900.24, 1,839,396.74 and 721,051.46
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Solution
The fourth proportional to 1,332,900.24, 1,839,396.74 and 721,051.46 is: 995,047.99
Step by Step Solution
- Step 1: Write the proportion equation
1,332,900.24 : 1,839,396.74 = 721,051.46 : x - Step 2: Convert to fraction form
1,332,900.24/1,839,396.74 = 721,051.46/x - Step 3: Cross multiply
1,332,900.24x = 1,839,396.74 × 721,051.46 - Step 4: Simplify right side
1,332,900.24x = 1,326,299,704,896.24 - Step 5: Solve for x
x = 1,326,299,704,896.24/1,332,900.24 - Step 6: Final answer
x = 995,047.99
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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.