Finding the Fourth Proportional to 1,226,603.84, 1,840,146.46 and 427,911.44
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Solution
The fourth proportional to 1,226,603.84, 1,840,146.46 and 427,911.44 is: 641,951.12
Step by Step Solution
- Step 1: Write the proportion equation
1,226,603.84 : 1,840,146.46 = 427,911.44 : x - Step 2: Convert to fraction form
1,226,603.84/1,840,146.46 = 427,911.44/x - Step 3: Cross multiply
1,226,603.84x = 1,840,146.46 × 427,911.44 - Step 4: Simplify right side
1,226,603.84x = 787,419,711,238.99 - Step 5: Solve for x
x = 787,419,711,238.99/1,226,603.84 - Step 6: Final answer
x = 641,951.12
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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.