Finding the Fourth Proportional to 1,102,471.74, 1,653,063.84 and 427,765.02
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Solution
The fourth proportional to 1,102,471.74, 1,653,063.84 and 427,765.02 is: 641,397.74
Step by Step Solution
- Step 1: Write the proportion equation
1,102,471.74 : 1,653,063.84 = 427,765.02 : x - Step 2: Convert to fraction form
1,102,471.74/1,653,063.84 = 427,765.02/x - Step 3: Cross multiply
1,102,471.74x = 1,653,063.84 × 427,765.02 - Step 4: Simplify right side
1,102,471.74x = 707,122,886,578.88 - Step 5: Solve for x
x = 707,122,886,578.88/1,102,471.74 - Step 6: Final answer
x = 641,397.74
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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.