Finding the Fourth Proportional to 1,107,618.74, 1,528,515.24 and 598,321.12
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Solution
The fourth proportional to 1,107,618.74, 1,528,515.24 and 598,321.12 is: 825,683.89
Step by Step Solution
- Step 1: Write the proportion equation
1,107,618.74 : 1,528,515.24 = 598,321.12 : x - Step 2: Convert to fraction form
1,107,618.74/1,528,515.24 = 598,321.12/x - Step 3: Cross multiply
1,107,618.74x = 1,528,515.24 × 598,321.12 - Step 4: Simplify right side
1,107,618.74x = 914,542,950,333.87 - Step 5: Solve for x
x = 914,542,950,333.87/1,107,618.74 - Step 6: Final answer
x = 825,683.89
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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.