Finding the Fourth Proportional to 1,198,272.24, 1,653,626.88 and 682,000.79
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Solution
The fourth proportional to 1,198,272.24, 1,653,626.88 and 682,000.79 is: 941,167.45
Step by Step Solution
- Step 1: Write the proportion equation
1,198,272.24 : 1,653,626.88 = 682,000.79 : x - Step 2: Convert to fraction form
1,198,272.24/1,653,626.88 = 682,000.79/x - Step 3: Cross multiply
1,198,272.24x = 1,653,626.88 × 682,000.79 - Step 4: Simplify right side
1,198,272.24x = 1,127,774,830,257.10 - Step 5: Solve for x
x = 1,127,774,830,257.10/1,198,272.24 - Step 6: Final answer
x = 941,167.45
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1.5x scale
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.