Finding the Fourth Proportional to 1,303,917.72, 1,955,497.14 and 505,021.08
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Solution
The fourth proportional to 1,303,917.72, 1,955,497.14 and 505,021.08 is: 757,384.66
Step by Step Solution
- Step 1: Write the proportion equation
1,303,917.72 : 1,955,497.14 = 505,021.08 : x - Step 2: Convert to fraction form
1,303,917.72/1,955,497.14 = 505,021.08/x - Step 3: Cross multiply
1,303,917.72x = 1,955,497.14 × 505,021.08 - Step 4: Simplify right side
1,303,917.72x = 987,567,277,579.71 - Step 5: Solve for x
x = 987,567,277,579.71/1,303,917.72 - Step 6: Final answer
x = 757,384.66
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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.