Finding the Fourth Proportional to 1,074,968.57, 1,612,686.14 and 326,995.13
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Solution
The fourth proportional to 1,074,968.57, 1,612,686.14 and 326,995.13 is: 490,563.65
Step by Step Solution
- Step 1: Write the proportion equation
1,074,968.57 : 1,612,686.14 = 326,995.13 : x - Step 2: Convert to fraction form
1,074,968.57/1,612,686.14 = 326,995.13/x - Step 3: Cross multiply
1,074,968.57x = 1,612,686.14 × 326,995.13 - Step 4: Simplify right side
1,074,968.57x = 527,340,504,300.09 - Step 5: Solve for x
x = 527,340,504,300.09/1,074,968.57 - Step 6: Final answer
x = 490,563.65
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.