Finding the Fourth Proportional to 1,259,183.12, 1,737,622 and 686,210.99
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Solution
The fourth proportional to 1,259,183.12, 1,737,622 and 686,210.99 is: 946,943.53
Step by Step Solution
- Step 1: Write the proportion equation
1,259,183.12 : 1,737,622 = 686,210.99 : x - Step 2: Convert to fraction form
1,259,183.12/1,737,622 = 686,210.99/x - Step 3: Cross multiply
1,259,183.12x = 1,737,622 × 686,210.99 - Step 4: Simplify right side
1,259,183.12x = 1,192,375,312,865.78 - Step 5: Solve for x
x = 1,192,375,312,865.78/1,259,183.12 - Step 6: Final answer
x = 946,943.53
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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.