Finding the Fourth Proportional to 1,432,183.91, 1,976,374.39 and 787,604.11
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Solution
The fourth proportional to 1,432,183.91, 1,976,374.39 and 787,604.11 is: 1,086,871.99
Step by Step Solution
- Step 1: Write the proportion equation
1,432,183.91 : 1,976,374.39 = 787,604.11 : x - Step 2: Convert to fraction form
1,432,183.91/1,976,374.39 = 787,604.11/x - Step 3: Cross multiply
1,432,183.91x = 1,976,374.39 × 787,604.11 - Step 4: Simplify right side
1,432,183.91x = 1,556,600,585,552.80 - Step 5: Solve for x
x = 1,556,600,585,552.80/1,432,183.91 - Step 6: Final answer
x = 1,086,871.99
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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.