Finding the Fourth Proportional to 1,432,174.08, 2,148,260.40 and 681,945.60
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Solution
The fourth proportional to 1,432,174.08, 2,148,260.40 and 681,945.60 is: 1,022,918.06
Step by Step Solution
- Step 1: Write the proportion equation
1,432,174.08 : 2,148,260.40 = 681,945.60 : x - Step 2: Convert to fraction form
1,432,174.08/2,148,260.40 = 681,945.60/x - Step 3: Cross multiply
1,432,174.08x = 2,148,260.40 × 681,945.60 - Step 4: Simplify right side
1,432,174.08x = 1,464,996,727,434.24 - Step 5: Solve for x
x = 1,464,996,727,434.24/1,432,174.08 - Step 6: Final answer
x = 1,022,918.06
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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.