Finding the Fourth Proportional to 1,414,439.09, 1,951,924.45 and 769,857.75
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Solution
The fourth proportional to 1,414,439.09, 1,951,924.45 and 769,857.75 is: 1,062,402.88
Step by Step Solution
- Step 1: Write the proportion equation
1,414,439.09 : 1,951,924.45 = 769,857.75 : x - Step 2: Convert to fraction form
1,414,439.09/1,951,924.45 = 769,857.75/x - Step 3: Cross multiply
1,414,439.09x = 1,951,924.45 × 769,857.75 - Step 4: Simplify right side
1,414,439.09x = 1,502,704,165,246.99 - Step 5: Solve for x
x = 1,502,704,165,246.99/1,414,439.09 - Step 6: Final answer
x = 1,062,402.88
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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.