Finding the Fourth Proportional to 1,113,890.63, 1,538,422.88 and 752,805.99
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Solution
The fourth proportional to 1,113,890.63, 1,538,422.88 and 752,805.99 is: 1,039,719.64
Step by Step Solution
- Step 1: Write the proportion equation
1,113,890.63 : 1,538,422.88 = 752,805.99 : x - Step 2: Convert to fraction form
1,113,890.63/1,538,422.88 = 752,805.99/x - Step 3: Cross multiply
1,113,890.63x = 1,538,422.88 × 752,805.99 - Step 4: Simplify right side
1,113,890.63x = 1,158,133,955,453.02 - Step 5: Solve for x
x = 1,158,133,955,453.02/1,113,890.63 - Step 6: Final answer
x = 1,039,719.64
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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.