Finding the Fourth Proportional to 1,313,515.12, 1,967,421.36 and 806,537.20
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Solution
The fourth proportional to 1,313,515.12, 1,967,421.36 and 806,537.20 is: 1,208,055.01
Step by Step Solution
- Step 1: Write the proportion equation
1,313,515.12 : 1,967,421.36 = 806,537.20 : x - Step 2: Convert to fraction form
1,313,515.12/1,967,421.36 = 806,537.20/x - Step 3: Cross multiply
1,313,515.12x = 1,967,421.36 × 806,537.20 - Step 4: Simplify right side
1,313,515.12x = 1,586,798,514,914.59 - Step 5: Solve for x
x = 1,586,798,514,914.59/1,313,515.12 - Step 6: Final answer
x = 1,208,055.01
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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.