Finding the Fourth Proportional to 1,246,529.79, 1,720,107.72 and 702,799.20
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Solution
The fourth proportional to 1,246,529.79, 1,720,107.72 and 702,799.20 is: 969,804.60
Step by Step Solution
- Step 1: Write the proportion equation
1,246,529.79 : 1,720,107.72 = 702,799.20 : x - Step 2: Convert to fraction form
1,246,529.79/1,720,107.72 = 702,799.20/x - Step 3: Cross multiply
1,246,529.79x = 1,720,107.72 × 702,799.20 - Step 4: Simplify right side
1,246,529.79x = 1,208,890,329,529.82 - Step 5: Solve for x
x = 1,208,890,329,529.82/1,246,529.79 - Step 6: Final answer
x = 969,804.60
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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.