Finding the Fourth Proportional to 1,128,109.40, 1,692,680.84 and 488,608.74
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Solution
The fourth proportional to 1,128,109.40, 1,692,680.84 and 488,608.74 is: 733,136.92
Step by Step Solution
- Step 1: Write the proportion equation
1,128,109.40 : 1,692,680.84 = 488,608.74 : x - Step 2: Convert to fraction form
1,128,109.40/1,692,680.84 = 488,608.74/x - Step 3: Cross multiply
1,128,109.40x = 1,692,680.84 × 488,608.74 - Step 4: Simplify right side
1,128,109.40x = 827,058,652,454.54 - Step 5: Solve for x
x = 827,058,652,454.54/1,128,109.40 - Step 6: Final answer
x = 733,136.92
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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.