Finding the Fourth Proportional to 1,292,549.48, 1,783,683.52 and 719,589.84
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Solution
The fourth proportional to 1,292,549.48, 1,783,683.52 and 719,589.84 is: 993,014.63
Step by Step Solution
- Step 1: Write the proportion equation
1,292,549.48 : 1,783,683.52 = 719,589.84 : x - Step 2: Convert to fraction form
1,292,549.48/1,783,683.52 = 719,589.84/x - Step 3: Cross multiply
1,292,549.48x = 1,783,683.52 × 719,589.84 - Step 4: Simplify right side
1,292,549.48x = 1,283,520,538,767.44 - Step 5: Solve for x
x = 1,283,520,538,767.44/1,292,549.48 - Step 6: Final answer
x = 993,014.63
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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.