Finding the Fourth Proportional to 1,033,441.48, 1,417,250.93 and 990,335.44
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Solution
The fourth proportional to 1,033,441.48, 1,417,250.93 and 990,335.44 is: 1,358,135.75
Step by Step Solution
- Step 1: Write the proportion equation
1,033,441.48 : 1,417,250.93 = 990,335.44 : x - Step 2: Convert to fraction form
1,033,441.48/1,417,250.93 = 990,335.44/x - Step 3: Cross multiply
1,033,441.48x = 1,417,250.93 × 990,335.44 - Step 4: Simplify right side
1,033,441.48x = 1,403,553,823,351.96 - Step 5: Solve for x
x = 1,403,553,823,351.96/1,033,441.48 - Step 6: Final answer
x = 1,358,135.75
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Why These Related Problems?
These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.