Finding the Fourth Proportional to 1,425,554.28, 2,138,650.53 and 478,899.18
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Solution
The fourth proportional to 1,425,554.28, 2,138,650.53 and 478,899.18 is: 718,455.97
Step by Step Solution
- Step 1: Write the proportion equation
1,425,554.28 : 2,138,650.53 = 478,899.18 : x - Step 2: Convert to fraction form
1,425,554.28/2,138,650.53 = 478,899.18/x - Step 3: Cross multiply
1,425,554.28x = 2,138,650.53 × 478,899.18 - Step 4: Simplify right side
1,425,554.28x = 1,024,197,985,123.57 - Step 5: Solve for x
x = 1,024,197,985,123.57/1,425,554.28 - Step 6: Final answer
x = 718,455.97
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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.