Finding the Fourth Proportional to 1,207,317.62, 1,665,735.00 and 723,706.31
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Solution
The fourth proportional to 1,207,317.62, 1,665,735.00 and 723,706.31 is: 998,496.92
Step by Step Solution
- Step 1: Write the proportion equation
1,207,317.62 : 1,665,735.00 = 723,706.31 : x - Step 2: Convert to fraction form
1,207,317.62/1,665,735.00 = 723,706.31/x - Step 3: Cross multiply
1,207,317.62x = 1,665,735.00 × 723,706.31 - Step 4: Simplify right side
1,207,317.62x = 1,205,502,931,738.29 - Step 5: Solve for x
x = 1,205,502,931,738.29/1,207,317.62 - Step 6: Final answer
x = 998,496.92
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.