Finding the Fourth Proportional to 1,324,023.66, 1,827,287.19 and 780,334.65
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Solution
The fourth proportional to 1,324,023.66, 1,827,287.19 and 780,334.65 is: 1,076,941.11
Step by Step Solution
- Step 1: Write the proportion equation
1,324,023.66 : 1,827,287.19 = 780,334.65 : x - Step 2: Convert to fraction form
1,324,023.66/1,827,287.19 = 780,334.65/x - Step 3: Cross multiply
1,324,023.66x = 1,827,287.19 × 780,334.65 - Step 4: Simplify right side
1,324,023.66x = 1,425,895,509,858.13 - Step 5: Solve for x
x = 1,425,895,509,858.13/1,324,023.66 - Step 6: Final answer
x = 1,076,941.11
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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.