Finding the Fourth Proportional to 1,145,868.36, 1,717,120.15 and 576,466.80
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Solution
The fourth proportional to 1,145,868.36, 1,717,120.15 and 576,466.80 is: 863,853.82
Step by Step Solution
- Step 1: Write the proportion equation
1,145,868.36 : 1,717,120.15 = 576,466.80 : x - Step 2: Convert to fraction form
1,145,868.36/1,717,120.15 = 576,466.80/x - Step 3: Cross multiply
1,145,868.36x = 1,717,120.15 × 576,466.80 - Step 4: Simplify right side
1,145,868.36x = 989,862,758,086.02 - Step 5: Solve for x
x = 989,862,758,086.02/1,145,868.36 - Step 6: Final answer
x = 863,853.82
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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.