Finding the Fourth Proportional to 1,129,862.44, 1,559,634.78 and 748,406.44
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Solution
The fourth proportional to 1,129,862.44, 1,559,634.78 and 748,406.44 is: 1,033,082.15
Step by Step Solution
- Step 1: Write the proportion equation
1,129,862.44 : 1,559,634.78 = 748,406.44 : x - Step 2: Convert to fraction form
1,129,862.44/1,559,634.78 = 748,406.44/x - Step 3: Cross multiply
1,129,862.44x = 1,559,634.78 × 748,406.44 - Step 4: Simplify right side
1,129,862.44x = 1,167,240,713,399.98 - Step 5: Solve for x
x = 1,167,240,713,399.98/1,129,862.44 - Step 6: Final answer
x = 1,033,082.15
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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.