Finding the Fourth Proportional to 1,271,324.88, 1,907,790.84 and 710,727.12
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Solution
The fourth proportional to 1,271,324.88, 1,907,790.84 and 710,727.12 is: 1,066,539.88
Step by Step Solution
- Step 1: Write the proportion equation
1,271,324.88 : 1,907,790.84 = 710,727.12 : x - Step 2: Convert to fraction form
1,271,324.88/1,907,790.84 = 710,727.12/x - Step 3: Cross multiply
1,271,324.88x = 1,907,790.84 × 710,727.12 - Step 4: Simplify right side
1,271,324.88x = 1,355,918,689,275.58 - Step 5: Solve for x
x = 1,355,918,689,275.58/1,271,324.88 - Step 6: Final answer
x = 1,066,539.88
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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.