Finding the Fourth Proportional to 1,138,252.48, 1,571,115.62 and 751,350.31
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Solution
The fourth proportional to 1,138,252.48, 1,571,115.62 and 751,350.31 is: 1,037,079.41
Step by Step Solution
- Step 1: Write the proportion equation
1,138,252.48 : 1,571,115.62 = 751,350.31 : x - Step 2: Convert to fraction form
1,138,252.48/1,571,115.62 = 751,350.31/x - Step 3: Cross multiply
1,138,252.48x = 1,571,115.62 × 751,350.31 - Step 4: Simplify right side
1,138,252.48x = 1,180,458,208,132.84 - Step 5: Solve for x
x = 1,180,458,208,132.84/1,138,252.48 - Step 6: Final answer
x = 1,037,079.41
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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.