Finding the Fourth Proportional to 1,332,173.99, 1,998,507.50 and 421,585.64
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Solution
The fourth proportional to 1,332,173.99, 1,998,507.50 and 421,585.64 is: 632,456.47
Step by Step Solution
- Step 1: Write the proportion equation
1,332,173.99 : 1,998,507.50 = 421,585.64 : x - Step 2: Convert to fraction form
1,332,173.99/1,998,507.50 = 421,585.64/x - Step 3: Cross multiply
1,332,173.99x = 1,998,507.50 × 421,585.64 - Step 4: Simplify right side
1,332,173.99x = 842,542,051,331.83 - Step 5: Solve for x
x = 842,542,051,331.83/1,332,173.99 - Step 6: Final answer
x = 632,456.47
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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.