Finding the Fourth Proportional to 1,224,229.68, 1,689,396.53 and 672,947.24
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Solution
The fourth proportional to 1,224,229.68, 1,689,396.53 and 672,947.24 is: 928,644.96
Step by Step Solution
- Step 1: Write the proportion equation
1,224,229.68 : 1,689,396.53 = 672,947.24 : x - Step 2: Convert to fraction form
1,224,229.68/1,689,396.53 = 672,947.24/x - Step 3: Cross multiply
1,224,229.68x = 1,689,396.53 × 672,947.24 - Step 4: Simplify right side
1,224,229.68x = 1,136,874,720,317.36 - Step 5: Solve for x
x = 1,136,874,720,317.36/1,224,229.68 - Step 6: Final answer
x = 928,644.96
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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.