Finding the Fourth Proportional to 1,434,793.66, 1,980,104.79 and 790,213.68
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Solution
The fourth proportional to 1,434,793.66, 1,980,104.79 and 790,213.68 is: 1,090,544.19
Step by Step Solution
- Step 1: Write the proportion equation
1,434,793.66 : 1,980,104.79 = 790,213.68 : x - Step 2: Convert to fraction form
1,434,793.66/1,980,104.79 = 790,213.68/x - Step 3: Cross multiply
1,434,793.66x = 1,980,104.79 × 790,213.68 - Step 4: Simplify right side
1,434,793.66x = 1,564,705,882,991.00 - Step 5: Solve for x
x = 1,564,705,882,991.00/1,434,793.66 - Step 6: Final answer
x = 1,090,544.19
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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.