Finding the Fourth Proportional to 1,372,771.64, 2,057,932.74 and 698,475.80
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Solution
The fourth proportional to 1,372,771.64, 2,057,932.74 and 698,475.80 is: 1,047,090.55
Step by Step Solution
- Step 1: Write the proportion equation
1,372,771.64 : 2,057,932.74 = 698,475.80 : x - Step 2: Convert to fraction form
1,372,771.64/2,057,932.74 = 698,475.80/x - Step 3: Cross multiply
1,372,771.64x = 2,057,932.74 × 698,475.80 - Step 4: Simplify right side
1,372,771.64x = 1,437,416,216,917.69 - Step 5: Solve for x
x = 1,437,416,216,917.69/1,372,771.64 - Step 6: Final answer
x = 1,047,090.55
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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.