Finding the Fourth Proportional to 1,313,676.62, 1,970,503.16 and 415,118.52
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Solution
The fourth proportional to 1,313,676.62, 1,970,503.16 and 415,118.52 is: 622,674.06
Step by Step Solution
- Step 1: Write the proportion equation
1,313,676.62 : 1,970,503.16 = 415,118.52 : x - Step 2: Convert to fraction form
1,313,676.62/1,970,503.16 = 415,118.52/x - Step 3: Cross multiply
1,313,676.62x = 1,970,503.16 × 415,118.52 - Step 4: Simplify right side
1,313,676.62x = 817,992,355,434.52 - Step 5: Solve for x
x = 817,992,355,434.52/1,313,676.62 - Step 6: Final answer
x = 622,674.06
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.