Finding the Fourth Proportional to 1,098,018.98, 1,515,251.32 and 614,583.99
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Solution
The fourth proportional to 1,098,018.98, 1,515,251.32 and 614,583.99 is: 848,117.58
Step by Step Solution
- Step 1: Write the proportion equation
1,098,018.98 : 1,515,251.32 = 614,583.99 : x - Step 2: Convert to fraction form
1,098,018.98/1,515,251.32 = 614,583.99/x - Step 3: Cross multiply
1,098,018.98x = 1,515,251.32 × 614,583.99 - Step 4: Simplify right side
1,098,018.98x = 931,249,202,098.37 - Step 5: Solve for x
x = 931,249,202,098.37/1,098,018.98 - Step 6: Final answer
x = 848,117.58
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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.