Finding the Fourth Proportional to 1,227,020.99, 1,840,829.90 and 417,459.20
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Solution
The fourth proportional to 1,227,020.99, 1,840,829.90 and 417,459.20 is: 626,290.32
Step by Step Solution
- Step 1: Write the proportion equation
1,227,020.99 : 1,840,829.90 = 417,459.20 : x - Step 2: Convert to fraction form
1,227,020.99/1,840,829.90 = 417,459.20/x - Step 3: Cross multiply
1,227,020.99x = 1,840,829.90 × 417,459.20 - Step 4: Simplify right side
1,227,020.99x = 768,471,366,098.64 - Step 5: Solve for x
x = 768,471,366,098.64/1,227,020.99 - Step 6: Final answer
x = 626,290.32
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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.