Finding the Fourth Proportional to 1,229,181.76, 1,696,382.24 and 745,869.36
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Solution
The fourth proportional to 1,229,181.76, 1,696,382.24 and 745,869.36 is: 1,029,367.32
Step by Step Solution
- Step 1: Write the proportion equation
1,229,181.76 : 1,696,382.24 = 745,869.36 : x - Step 2: Convert to fraction form
1,229,181.76/1,696,382.24 = 745,869.36/x - Step 3: Cross multiply
1,229,181.76x = 1,696,382.24 × 745,869.36 - Step 4: Simplify right side
1,229,181.76x = 1,265,279,535,664.17 - Step 5: Solve for x
x = 1,265,279,535,664.17/1,229,181.76 - Step 6: Final answer
x = 1,029,367.32
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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.