Finding the Fourth Proportional to 1,385,754.08, 2,078,689.37 and 676,378.76
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Solution
The fourth proportional to 1,385,754.08, 2,078,689.37 and 676,378.76 is: 1,014,596.57
Step by Step Solution
- Step 1: Write the proportion equation
1,385,754.08 : 2,078,689.37 = 676,378.76 : x - Step 2: Convert to fraction form
1,385,754.08/2,078,689.37 = 676,378.76/x - Step 3: Cross multiply
1,385,754.08x = 2,078,689.37 × 676,378.76 - Step 4: Simplify right side
1,385,754.08x = 1,405,981,324,730.44 - Step 5: Solve for x
x = 1,405,981,324,730.44/1,385,754.08 - Step 6: Final answer
x = 1,014,596.57
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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.