Finding the Fourth Proportional to 1,170,028.08, 1,614,638.84 and 660,763.24
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Solution
The fourth proportional to 1,170,028.08, 1,614,638.84 and 660,763.24 is: 911,853.32
Step by Step Solution
- Step 1: Write the proportion equation
1,170,028.08 : 1,614,638.84 = 660,763.24 : x - Step 2: Convert to fraction form
1,170,028.08/1,614,638.84 = 660,763.24/x - Step 3: Cross multiply
1,170,028.08x = 1,614,638.84 × 660,763.24 - Step 4: Simplify right side
1,170,028.08x = 1,066,893,991,348.24 - Step 5: Solve for x
x = 1,066,893,991,348.24/1,170,028.08 - Step 6: Final answer
x = 911,853.32
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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.