Finding the Fourth Proportional to 1,048,713.30, 1,574,236.35 and 576,321.30
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Solution
The fourth proportional to 1,048,713.30, 1,574,236.35 and 576,321.30 is: 865,122.95
Step by Step Solution
- Step 1: Write the proportion equation
1,048,713.30 : 1,574,236.35 = 576,321.30 : x - Step 2: Convert to fraction form
1,048,713.30/1,574,236.35 = 576,321.30/x - Step 3: Cross multiply
1,048,713.30x = 1,574,236.35 × 576,321.30 - Step 4: Simplify right side
1,048,713.30x = 907,265,939,739.26 - Step 5: Solve for x
x = 907,265,939,739.26/1,048,713.30 - Step 6: Final answer
x = 865,122.95
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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.