Finding the Fourth Proportional to 1,305,416.79, 1,958,142.47 and 506,743.83
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Solution
The fourth proportional to 1,305,416.79, 1,958,142.47 and 506,743.83 is: 760,122.45
Step by Step Solution
- Step 1: Write the proportion equation
1,305,416.79 : 1,958,142.47 = 506,743.83 : x - Step 2: Convert to fraction form
1,305,416.79/1,958,142.47 = 506,743.83/x - Step 3: Cross multiply
1,305,416.79x = 1,958,142.47 × 506,743.83 - Step 4: Simplify right side
1,305,416.79x = 992,276,612,399.74 - Step 5: Solve for x
x = 992,276,612,399.74/1,305,416.79 - Step 6: Final answer
x = 760,122.45
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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.