Finding the Fourth Proportional to 1,120,236.68, 1,545,865.22 and 636,734.76
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Solution
The fourth proportional to 1,120,236.68, 1,545,865.22 and 636,734.76 is: 878,659.07
Step by Step Solution
- Step 1: Write the proportion equation
1,120,236.68 : 1,545,865.22 = 636,734.76 : x - Step 2: Convert to fraction form
1,120,236.68/1,545,865.22 = 636,734.76/x - Step 3: Cross multiply
1,120,236.68x = 1,545,865.22 × 636,734.76 - Step 4: Simplify right side
1,120,236.68x = 984,306,119,849.05 - Step 5: Solve for x
x = 984,306,119,849.05/1,120,236.68 - Step 6: Final answer
x = 878,659.07
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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.