Finding the Fourth Proportional to 1,208,038.24, 1,667,057.52 and 664,173.46
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Solution
The fourth proportional to 1,208,038.24, 1,667,057.52 and 664,173.46 is: 916,539.99
Step by Step Solution
- Step 1: Write the proportion equation
1,208,038.24 : 1,667,057.52 = 664,173.46 : x - Step 2: Convert to fraction form
1,208,038.24/1,667,057.52 = 664,173.46/x - Step 3: Cross multiply
1,208,038.24x = 1,667,057.52 × 664,173.46 - Step 4: Simplify right side
1,208,038.24x = 1,107,215,361,077.42 - Step 5: Solve for x
x = 1,107,215,361,077.42/1,208,038.24 - Step 6: Final answer
x = 916,539.99
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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.