Finding the Fourth Proportional to 1,280,236.96, 1,766,598.96 and 707,240.26
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Solution
The fourth proportional to 1,280,236.96, 1,766,598.96 and 707,240.26 is: 975,920.82
Step by Step Solution
- Step 1: Write the proportion equation
1,280,236.96 : 1,766,598.96 = 707,240.26 : x - Step 2: Convert to fraction form
1,280,236.96/1,766,598.96 = 707,240.26/x - Step 3: Cross multiply
1,280,236.96x = 1,766,598.96 × 707,240.26 - Step 4: Simplify right side
1,280,236.96x = 1,249,409,907,786.13 - Step 5: Solve for x
x = 1,249,409,907,786.13/1,280,236.96 - Step 6: Final answer
x = 975,920.82
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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.