Finding the Fourth Proportional to 1,306,459.99, 1,959,689.26 and 407,978.74
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Solution
The fourth proportional to 1,306,459.99, 1,959,689.26 and 407,978.74 is: 611,967.88
Step by Step Solution
- Step 1: Write the proportion equation
1,306,459.99 : 1,959,689.26 = 407,978.74 : x - Step 2: Convert to fraction form
1,306,459.99/1,959,689.26 = 407,978.74/x - Step 3: Cross multiply
1,306,459.99x = 1,959,689.26 × 407,978.74 - Step 4: Simplify right side
1,306,459.99x = 799,511,555,086.33 - Step 5: Solve for x
x = 799,511,555,086.33/1,306,459.99 - Step 6: Final answer
x = 611,967.88
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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.