Finding the Fourth Proportional to 1,285,094.24, 1,773,475.80 and 775,697.12
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Solution
The fourth proportional to 1,285,094.24, 1,773,475.80 and 775,697.12 is: 1,070,489.64
Step by Step Solution
- Step 1: Write the proportion equation
1,285,094.24 : 1,773,475.80 = 775,697.12 : x - Step 2: Convert to fraction form
1,285,094.24/1,773,475.80 = 775,697.12/x - Step 3: Cross multiply
1,285,094.24x = 1,773,475.80 × 775,697.12 - Step 4: Simplify right side
1,285,094.24x = 1,375,680,070,449.70 - Step 5: Solve for x
x = 1,375,680,070,449.70/1,285,094.24 - Step 6: Final answer
x = 1,070,489.64
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.