Finding the Fourth Proportional to 1,120,270.05, 1,680,402.49 and 480,158.73
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Solution
The fourth proportional to 1,120,270.05, 1,680,402.49 and 480,158.73 is: 720,236.99
Step by Step Solution
- Step 1: Write the proportion equation
1,120,270.05 : 1,680,402.49 = 480,158.73 : x - Step 2: Convert to fraction form
1,120,270.05/1,680,402.49 = 480,158.73/x - Step 3: Cross multiply
1,120,270.05x = 1,680,402.49 × 480,158.73 - Step 4: Simplify right side
1,120,270.05x = 806,859,926,987.73 - Step 5: Solve for x
x = 806,859,926,987.73/1,120,270.05 - Step 6: Final answer
x = 720,236.99
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.