Finding the Fourth Proportional to 1,069,220.43, 1,603,679.92 and 270,452.70
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Solution
The fourth proportional to 1,069,220.43, 1,603,679.92 and 270,452.70 is: 405,640.92
Step by Step Solution
- Step 1: Write the proportion equation
1,069,220.43 : 1,603,679.92 = 270,452.70 : x - Step 2: Convert to fraction form
1,069,220.43/1,603,679.92 = 270,452.70/x - Step 3: Cross multiply
1,069,220.43x = 1,603,679.92 × 270,452.70 - Step 4: Simplify right side
1,069,220.43x = 433,719,563,623.65 - Step 5: Solve for x
x = 433,719,563,623.65/1,069,220.43 - Step 6: Final answer
x = 405,640.92
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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.