Finding the Fourth Proportional to 1,274,069.12, 1,911,387.84 and 387,674.24
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Solution
The fourth proportional to 1,274,069.12, 1,911,387.84 and 387,674.24 is: 581,597.82
Step by Step Solution
- Step 1: Write the proportion equation
1,274,069.12 : 1,911,387.84 = 387,674.24 : x - Step 2: Convert to fraction form
1,274,069.12/1,911,387.84 = 387,674.24/x - Step 3: Cross multiply
1,274,069.12x = 1,911,387.84 × 387,674.24 - Step 4: Simplify right side
1,274,069.12x = 740,995,828,217.24 - Step 5: Solve for x
x = 740,995,828,217.24/1,274,069.12 - Step 6: Final answer
x = 581,597.82
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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.