Finding the Fourth Proportional to 1,129,647.76, 1,694,860.44 and 708,430.48
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Solution
The fourth proportional to 1,129,647.76, 1,694,860.44 and 708,430.48 is: 1,062,889.55
Step by Step Solution
- Step 1: Write the proportion equation
1,129,647.76 : 1,694,860.44 = 708,430.48 : x - Step 2: Convert to fraction form
1,129,647.76/1,694,860.44 = 708,430.48/x - Step 3: Cross multiply
1,129,647.76x = 1,694,860.44 × 708,430.48 - Step 4: Simplify right side
1,129,647.76x = 1,200,690,795,042.21 - Step 5: Solve for x
x = 1,200,690,795,042.21/1,129,647.76 - Step 6: Final answer
x = 1,062,889.55
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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.