Finding the Fourth Proportional to 1,411,378.80, 2,121,267.48 and 663,949.68
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Solution
The fourth proportional to 1,411,378.80, 2,121,267.48 and 663,949.68 is: 997,899.97
Step by Step Solution
- Step 1: Write the proportion equation
1,411,378.80 : 2,121,267.48 = 663,949.68 : x - Step 2: Convert to fraction form
1,411,378.80/2,121,267.48 = 663,949.68/x - Step 3: Cross multiply
1,411,378.80x = 2,121,267.48 × 663,949.68 - Step 4: Simplify right side
1,411,378.80x = 1,408,414,864,540.41 - Step 5: Solve for x
x = 1,408,414,864,540.41/1,411,378.80 - Step 6: Final answer
x = 997,899.97
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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.