Finding the Fourth Proportional to 1,324,453.16, 1,827,525.49 and 780,515.12
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Solution
The fourth proportional to 1,324,453.16, 1,827,525.49 and 780,515.12 is: 1,076,981.29
Step by Step Solution
- Step 1: Write the proportion equation
1,324,453.16 : 1,827,525.49 = 780,515.12 : x - Step 2: Convert to fraction form
1,324,453.16/1,827,525.49 = 780,515.12/x - Step 3: Cross multiply
1,324,453.16x = 1,827,525.49 × 780,515.12 - Step 4: Simplify right side
1,324,453.16x = 1,426,411,279,747.93 - Step 5: Solve for x
x = 1,426,411,279,747.93/1,324,453.16 - Step 6: Final answer
x = 1,076,981.29
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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.