Finding the Fourth Proportional to 1,317,216.38, 1,817,760.42 and 713,604.38
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Solution
The fourth proportional to 1,317,216.38, 1,817,760.42 and 713,604.38 is: 984,775.02
Step by Step Solution
- Step 1: Write the proportion equation
1,317,216.38 : 1,817,760.42 = 713,604.38 : x - Step 2: Convert to fraction form
1,317,216.38/1,817,760.42 = 713,604.38/x - Step 3: Cross multiply
1,317,216.38x = 1,817,760.42 × 713,604.38 - Step 4: Simplify right side
1,317,216.38x = 1,297,161,788,413.84 - Step 5: Solve for x
x = 1,297,161,788,413.84/1,317,216.38 - Step 6: Final answer
x = 984,775.02
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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.