Finding the Fourth Proportional to 1,259,981.46, 1,738,737.09 and 716,176.62
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Solution
The fourth proportional to 1,259,981.46, 1,738,737.09 and 716,176.62 is: 988,302.52
Step by Step Solution
- Step 1: Write the proportion equation
1,259,981.46 : 1,738,737.09 = 716,176.62 : x - Step 2: Convert to fraction form
1,259,981.46/1,738,737.09 = 716,176.62/x - Step 3: Cross multiply
1,259,981.46x = 1,738,737.09 × 716,176.62 - Step 4: Simplify right side
1,259,981.46x = 1,245,242,852,184.84 - Step 5: Solve for x
x = 1,245,242,852,184.84/1,259,981.46 - Step 6: Final answer
x = 988,302.52
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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.