Finding the Fourth Proportional to 1,332,935.07, 1,839,446.36 and 721,087.65
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Solution
The fourth proportional to 1,332,935.07, 1,839,446.36 and 721,087.65 is: 995,098.77
Step by Step Solution
- Step 1: Write the proportion equation
1,332,935.07 : 1,839,446.36 = 721,087.65 : x - Step 2: Convert to fraction form
1,332,935.07/1,839,446.36 = 721,087.65/x - Step 3: Cross multiply
1,332,935.07x = 1,839,446.36 × 721,087.65 - Step 4: Simplify right side
1,332,935.07x = 1,326,402,049,428.02 - Step 5: Solve for x
x = 1,326,402,049,428.02/1,332,935.07 - Step 6: Final answer
x = 995,098.77
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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.