Finding the Fourth Proportional to 1,034,986.70, 1,549,527.60 and 916,888.70
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Solution
The fourth proportional to 1,034,986.70, 1,549,527.60 and 916,888.70 is: 1,372,717.49
Step by Step Solution
- Step 1: Write the proportion equation
1,034,986.70 : 1,549,527.60 = 916,888.70 : x - Step 2: Convert to fraction form
1,034,986.70/1,549,527.60 = 916,888.70/x - Step 3: Cross multiply
1,034,986.70x = 1,549,527.60 × 916,888.70 - Step 4: Simplify right side
1,034,986.70x = 1,420,744,346,778.12 - Step 5: Solve for x
x = 1,420,744,346,778.12/1,034,986.70 - Step 6: Final answer
x = 1,372,717.49
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.