Finding the Fourth Proportional to 1,326,529.82, 1,830,382.74 and 745,672.19
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Solution
The fourth proportional to 1,326,529.82, 1,830,382.74 and 745,672.19 is: 1,028,899.23
Step by Step Solution
- Step 1: Write the proportion equation
1,326,529.82 : 1,830,382.74 = 745,672.19 : x - Step 2: Convert to fraction form
1,326,529.82/1,830,382.74 = 745,672.19/x - Step 3: Cross multiply
1,326,529.82x = 1,830,382.74 × 745,672.19 - Step 4: Simplify right side
1,326,529.82x = 1,364,865,504,367.24 - Step 5: Solve for x
x = 1,364,865,504,367.24/1,326,529.82 - Step 6: Final answer
x = 1,028,899.23
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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.