Finding the Fourth Proportional to 1,012,082.24, 1,397,719.32 and 875,460.26
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Solution
The fourth proportional to 1,012,082.24, 1,397,719.32 and 875,460.26 is: 1,209,039.81
Step by Step Solution
- Step 1: Write the proportion equation
1,012,082.24 : 1,397,719.32 = 875,460.26 : x - Step 2: Convert to fraction form
1,012,082.24/1,397,719.32 = 875,460.26/x - Step 3: Cross multiply
1,012,082.24x = 1,397,719.32 × 875,460.26 - Step 4: Simplify right side
1,012,082.24x = 1,223,647,719,294.22 - Step 5: Solve for x
x = 1,223,647,719,294.22/1,012,082.24 - Step 6: Final answer
x = 1,209,039.81
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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.