Finding the Fourth Proportional to 1,260,577.52, 1,739,608.08 and 687,620.24
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Solution
The fourth proportional to 1,260,577.52, 1,739,608.08 and 687,620.24 is: 948,921.99
Step by Step Solution
- Step 1: Write the proportion equation
1,260,577.52 : 1,739,608.08 = 687,620.24 : x - Step 2: Convert to fraction form
1,260,577.52/1,739,608.08 = 687,620.24/x - Step 3: Cross multiply
1,260,577.52x = 1,739,608.08 × 687,620.24 - Step 4: Simplify right side
1,260,577.52x = 1,196,189,725,475.54 - Step 5: Solve for x
x = 1,196,189,725,475.54/1,260,577.52 - Step 6: Final answer
x = 948,921.99
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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.