Finding the Fourth Proportional to 1,121,295.98, 1,682,165.52 and 411,330.17
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Solution
The fourth proportional to 1,121,295.98, 1,682,165.52 and 411,330.17 is: 617,076.53
Step by Step Solution
- Step 1: Write the proportion equation
1,121,295.98 : 1,682,165.52 = 411,330.17 : x - Step 2: Convert to fraction form
1,121,295.98/1,682,165.52 = 411,330.17/x - Step 3: Cross multiply
1,121,295.98x = 1,682,165.52 × 411,330.17 - Step 4: Simplify right side
1,121,295.98x = 691,925,433,515.15 - Step 5: Solve for x
x = 691,925,433,515.15/1,121,295.98 - Step 6: Final answer
x = 617,076.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.