Finding the Fourth Proportional to 1,116,862.12, 1,675,271.58 and 318,148.84
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Solution
The fourth proportional to 1,116,862.12, 1,675,271.58 and 318,148.84 is: 477,217.11
Step by Step Solution
- Step 1: Write the proportion equation
1,116,862.12 : 1,675,271.58 = 318,148.84 : x - Step 2: Convert to fraction form
1,116,862.12/1,675,271.58 = 318,148.84/x - Step 3: Cross multiply
1,116,862.12x = 1,675,271.58 × 318,148.84 - Step 4: Simplify right side
1,116,862.12x = 532,985,709,861.97 - Step 5: Solve for x
x = 532,985,709,861.97/1,116,862.12 - Step 6: Final answer
x = 477,217.11
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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.