Finding the Fourth Proportional to 1,413,706.28, 2,120,756.54 and 454,190.99
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Solution
The fourth proportional to 1,413,706.28, 2,120,756.54 and 454,190.99 is: 681,349.81
Step by Step Solution
- Step 1: Write the proportion equation
1,413,706.28 : 2,120,756.54 = 454,190.99 : x - Step 2: Convert to fraction form
1,413,706.28/2,120,756.54 = 454,190.99/x - Step 3: Cross multiply
1,413,706.28x = 2,120,756.54 × 454,190.99 - Step 4: Simplify right side
1,413,706.28x = 963,228,499,576.84 - Step 5: Solve for x
x = 963,228,499,576.84/1,413,706.28 - Step 6: Final answer
x = 681,349.81
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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.