Finding the Fourth Proportional to 1,039,287.08, 1,434,201.03 and 580,396.79
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Solution
The fourth proportional to 1,039,287.08, 1,434,201.03 and 580,396.79 is: 800,939.12
Step by Step Solution
- Step 1: Write the proportion equation
1,039,287.08 : 1,434,201.03 = 580,396.79 : x - Step 2: Convert to fraction form
1,039,287.08/1,434,201.03 = 580,396.79/x - Step 3: Cross multiply
1,039,287.08x = 1,434,201.03 × 580,396.79 - Step 4: Simplify right side
1,039,287.08x = 832,405,679,788.68 - Step 5: Solve for x
x = 832,405,679,788.68/1,039,287.08 - Step 6: Final answer
x = 800,939.12
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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.