Finding the Fourth Proportional to 1,081,902.40, 1,492,662.68 and 623,007.08
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Solution
The fourth proportional to 1,081,902.40, 1,492,662.68 and 623,007.08 is: 859,540.95
Step by Step Solution
- Step 1: Write the proportion equation
1,081,902.40 : 1,492,662.68 = 623,007.08 : x - Step 2: Convert to fraction form
1,081,902.40/1,492,662.68 = 623,007.08/x - Step 3: Cross multiply
1,081,902.40x = 1,492,662.68 × 623,007.08 - Step 4: Simplify right side
1,081,902.40x = 929,939,417,691.77 - Step 5: Solve for x
x = 929,939,417,691.77/1,081,902.40 - Step 6: Final answer
x = 859,540.95
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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.