Finding the Fourth Proportional to 1,141,252.15, 1,709,354.97 and 780,568.15
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Solution
The fourth proportional to 1,141,252.15, 1,709,354.97 and 780,568.15 is: 1,169,126.43
Step by Step Solution
- Step 1: Write the proportion equation
1,141,252.15 : 1,709,354.97 = 780,568.15 : x - Step 2: Convert to fraction form
1,141,252.15/1,709,354.97 = 780,568.15/x - Step 3: Cross multiply
1,141,252.15x = 1,709,354.97 × 780,568.15 - Step 4: Simplify right side
1,141,252.15x = 1,334,268,046,626.21 - Step 5: Solve for x
x = 1,334,268,046,626.21/1,141,252.15 - Step 6: Final answer
x = 1,169,126.43
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.