Finding the Fourth Proportional to 1,017,680.41, 1,533,835.57 and 877,220.93
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Solution
The fourth proportional to 1,017,680.41, 1,533,835.57 and 877,220.93 is: 1,322,136.74
Step by Step Solution
- Step 1: Write the proportion equation
1,017,680.41 : 1,533,835.57 = 877,220.93 : x - Step 2: Convert to fraction form
1,017,680.41/1,533,835.57 = 877,220.93/x - Step 3: Cross multiply
1,017,680.41x = 1,533,835.57 × 877,220.93 - Step 4: Simplify right side
1,017,680.41x = 1,345,512,660,767.98 - Step 5: Solve for x
x = 1,345,512,660,767.98/1,017,680.41 - Step 6: Final answer
x = 1,322,136.74
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.