Finding the Fourth Proportional to 1,258,899.42, 1,737,232.44 and 685,943.88
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Solution
The fourth proportional to 1,258,899.42, 1,737,232.44 and 685,943.88 is: 946,575.99
Step by Step Solution
- Step 1: Write the proportion equation
1,258,899.42 : 1,737,232.44 = 685,943.88 : x - Step 2: Convert to fraction form
1,258,899.42/1,737,232.44 = 685,943.88/x - Step 3: Cross multiply
1,258,899.42x = 1,737,232.44 × 685,943.88 - Step 4: Simplify right side
1,258,899.42x = 1,191,643,960,355.47 - Step 5: Solve for x
x = 1,191,643,960,355.47/1,258,899.42 - Step 6: Final answer
x = 946,575.99
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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.