Finding the Fourth Proportional to 1,226,589.21, 1,840,124.52 and 427,896.81
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Solution
The fourth proportional to 1,226,589.21, 1,840,124.52 and 427,896.81 is: 641,929.19
Step by Step Solution
- Step 1: Write the proportion equation
1,226,589.21 : 1,840,124.52 = 427,896.81 : x - Step 2: Convert to fraction form
1,226,589.21/1,840,124.52 = 427,896.81/x - Step 3: Cross multiply
1,226,589.21x = 1,840,124.52 × 427,896.81 - Step 4: Simplify right side
1,226,589.21x = 787,383,412,110.78 - Step 5: Solve for x
x = 787,383,412,110.78/1,226,589.21 - Step 6: Final answer
x = 641,929.19
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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.