Finding the Fourth Proportional to 1,172,138, 1,617,550.44 and 635,594
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Solution
The fourth proportional to 1,172,138, 1,617,550.44 and 635,594 is: 877,119.72
Step by Step Solution
- Step 1: Write the proportion equation
1,172,138 : 1,617,550.44 = 635,594 : x - Step 2: Convert to fraction form
1,172,138/1,617,550.44 = 635,594/x - Step 3: Cross multiply
1,172,138x = 1,617,550.44 × 635,594 - Step 4: Simplify right side
1,172,138x = 1,028,105,354,361.36 - Step 5: Solve for x
x = 1,028,105,354,361.36/1,172,138 - Step 6: Final answer
x = 877,119.72
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These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.