Finding the Fourth Proportional to 1,297,421.29, 1,790,119.01 and 1,125,063.82
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Solution
The fourth proportional to 1,297,421.29, 1,790,119.01 and 1,125,063.82 is: 1,552,308.53
Step by Step Solution
- Step 1: Write the proportion equation
1,297,421.29 : 1,790,119.01 = 1,125,063.82 : x - Step 2: Convert to fraction form
1,297,421.29/1,790,119.01 = 1,125,063.82/x - Step 3: Cross multiply
1,297,421.29x = 1,790,119.01 × 1,125,063.82 - Step 4: Simplify right side
1,297,421.29x = 2,013,998,136,695.53 - Step 5: Solve for x
x = 2,013,998,136,695.53/1,297,421.29 - Step 6: Final answer
x = 1,552,308.53
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.