Finding the Fourth Proportional to 1,281,970.75, 1,769,664.36 and 798,774.63
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Solution
The fourth proportional to 1,281,970.75, 1,769,664.36 and 798,774.63 is: 1,102,648.39
Step by Step Solution
- Step 1: Write the proportion equation
1,281,970.75 : 1,769,664.36 = 798,774.63 : x - Step 2: Convert to fraction form
1,281,970.75/1,769,664.36 = 798,774.63/x - Step 3: Cross multiply
1,281,970.75x = 1,769,664.36 × 798,774.63 - Step 4: Simplify right side
1,281,970.75x = 1,413,562,981,540.99 - Step 5: Solve for x
x = 1,413,562,981,540.99/1,281,970.75 - Step 6: Final answer
x = 1,102,648.39
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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.