Finding the Fourth Proportional to 1,120,271.68, 1,680,404.93 and 480,160.36
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Solution
The fourth proportional to 1,120,271.68, 1,680,404.93 and 480,160.36 is: 720,239.42
Step by Step Solution
- Step 1: Write the proportion equation
1,120,271.68 : 1,680,404.93 = 480,160.36 : x - Step 2: Convert to fraction form
1,120,271.68/1,680,404.93 = 480,160.36/x - Step 3: Cross multiply
1,120,271.68x = 1,680,404.93 × 480,160.36 - Step 4: Simplify right side
1,120,271.68x = 806,863,825,331.75 - Step 5: Solve for x
x = 806,863,825,331.75/1,120,271.68 - Step 6: Final answer
x = 720,239.42
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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.