Finding the Fourth Proportional to 1,313,672.40, 1,970,496.80 and 415,114.28
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Solution
The fourth proportional to 1,313,672.40, 1,970,496.80 and 415,114.28 is: 622,667.69
Step by Step Solution
- Step 1: Write the proportion equation
1,313,672.40 : 1,970,496.80 = 415,114.28 : x - Step 2: Convert to fraction form
1,313,672.40/1,970,496.80 = 415,114.28/x - Step 3: Cross multiply
1,313,672.40x = 1,970,496.80 × 415,114.28 - Step 4: Simplify right side
1,313,672.40x = 817,981,360,374.30 - Step 5: Solve for x
x = 817,981,360,374.30/1,313,672.40 - Step 6: Final answer
x = 622,667.69
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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.