Finding the Fourth Proportional to 1,063,325.21, 1,466,559.41 and 681,387.53
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Solution
The fourth proportional to 1,063,325.21, 1,466,559.41 and 681,387.53 is: 939,783.31
Step by Step Solution
- Step 1: Write the proportion equation
1,063,325.21 : 1,466,559.41 = 681,387.53 : x - Step 2: Convert to fraction form
1,063,325.21/1,466,559.41 = 681,387.53/x - Step 3: Cross multiply
1,063,325.21x = 1,466,559.41 × 681,387.53 - Step 4: Simplify right side
1,063,325.21x = 999,295,283,238.42 - Step 5: Solve for x
x = 999,295,283,238.42/1,063,325.21 - Step 6: Final answer
x = 939,783.31
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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.