Finding the Fourth Proportional to 1,079,292.96, 1,618,657.20 and 320,930.28
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Solution
The fourth proportional to 1,079,292.96, 1,618,657.20 and 320,930.28 is: 481,311.50
Step by Step Solution
- Step 1: Write the proportion equation
1,079,292.96 : 1,618,657.20 = 320,930.28 : x - Step 2: Convert to fraction form
1,079,292.96/1,618,657.20 = 320,930.28/x - Step 3: Cross multiply
1,079,292.96x = 1,618,657.20 × 320,930.28 - Step 4: Simplify right side
1,079,292.96x = 519,476,108,420.02 - Step 5: Solve for x
x = 519,476,108,420.02/1,079,292.96 - Step 6: Final answer
x = 481,311.50
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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.