Finding the Fourth Proportional to 1,040,252.05, 1,459,502.15 and 1,040,252.05
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Solution
The fourth proportional to 1,040,252.05, 1,459,502.15 and 1,040,252.05 is: 1,459,502.15
Step by Step Solution
- Step 1: Write the proportion equation
1,040,252.05 : 1,459,502.15 = 1,040,252.05 : x - Step 2: Convert to fraction form
1,040,252.05/1,459,502.15 = 1,040,252.05/x - Step 3: Cross multiply
1,040,252.05x = 1,459,502.15 × 1,040,252.05 - Step 4: Simplify right side
1,040,252.05x = 1,518,250,103,516.91 - Step 5: Solve for x
x = 1,518,250,103,516.91/1,040,252.05 - Step 6: Final answer
x = 1,459,502.15
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Why These Related Problems?
These problems maintain the same ratio (1.40) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.