Finding the Fourth Proportional to 1,324,383.84, 1,827,657.84 and 720,778.08
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Solution
The fourth proportional to 1,324,383.84, 1,827,657.84 and 720,778.08 is: 994,678.18
Step by Step Solution
- Step 1: Write the proportion equation
1,324,383.84 : 1,827,657.84 = 720,778.08 : x - Step 2: Convert to fraction form
1,324,383.84/1,827,657.84 = 720,778.08/x - Step 3: Cross multiply
1,324,383.84x = 1,827,657.84 × 720,778.08 - Step 4: Simplify right side
1,324,383.84x = 1,317,335,708,812.15 - Step 5: Solve for x
x = 1,317,335,708,812.15/1,324,383.84 - Step 6: Final answer
x = 994,678.18
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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.