Finding the Fourth Proportional to 1,129,508.19, 1,694,492.69 and 381,537.63
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Solution
The fourth proportional to 1,129,508.19, 1,694,492.69 and 381,537.63 is: 572,384.27
Step by Step Solution
- Step 1: Write the proportion equation
1,129,508.19 : 1,694,492.69 = 381,537.63 : x - Step 2: Convert to fraction form
1,129,508.19/1,694,492.69 = 381,537.63/x - Step 3: Cross multiply
1,129,508.19x = 1,694,492.69 × 381,537.63 - Step 4: Simplify right side
1,129,508.19x = 646,512,723,087.24 - Step 5: Solve for x
x = 646,512,723,087.24/1,129,508.19 - Step 6: Final answer
x = 572,384.27
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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.