Finding the Fourth Proportional to 1,385,040.72, 2,078,292.36 and 982,831.68
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Solution
The fourth proportional to 1,385,040.72, 2,078,292.36 and 982,831.68 is: 1,474,766.44
Step by Step Solution
- Step 1: Write the proportion equation
1,385,040.72 : 2,078,292.36 = 982,831.68 : x - Step 2: Convert to fraction form
1,385,040.72/2,078,292.36 = 982,831.68/x - Step 3: Cross multiply
1,385,040.72x = 2,078,292.36 × 982,831.68 - Step 4: Simplify right side
1,385,040.72x = 2,042,611,571,709.97 - Step 5: Solve for x
x = 2,042,611,571,709.97/1,385,040.72 - Step 6: Final answer
x = 1,474,766.44
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.