Finding the Fourth Proportional to 1,314,304.94, 1,971,529.16 and 415,679.60
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Solution
The fourth proportional to 1,314,304.94, 1,971,529.16 and 415,679.60 is: 623,542.09
Step by Step Solution
- Step 1: Write the proportion equation
1,314,304.94 : 1,971,529.16 = 415,679.60 : x - Step 2: Convert to fraction form
1,314,304.94/1,971,529.16 = 415,679.60/x - Step 3: Cross multiply
1,314,304.94x = 1,971,529.16 × 415,679.60 - Step 4: Simplify right side
1,314,304.94x = 819,524,452,617.14 - Step 5: Solve for x
x = 819,524,452,617.14/1,314,304.94 - Step 6: Final answer
x = 623,542.09
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.