Finding the Fourth Proportional to 1,207,557.98, 1,666,424.93 and 663,716.69
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Solution
The fourth proportional to 1,207,557.98, 1,666,424.93 and 663,716.69 is: 915,926.23
Step by Step Solution
- Step 1: Write the proportion equation
1,207,557.98 : 1,666,424.93 = 663,716.69 : x - Step 2: Convert to fraction form
1,207,557.98/1,666,424.93 = 663,716.69/x - Step 3: Cross multiply
1,207,557.98x = 1,666,424.93 × 663,716.69 - Step 4: Simplify right side
1,207,557.98x = 1,106,034,027,022.37 - Step 5: Solve for x
x = 1,106,034,027,022.37/1,207,557.98 - Step 6: Final answer
x = 915,926.23
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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.