Finding the Fourth Proportional to 1,274,952.24, 1,759,439.34 and 765,663.12
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Solution
The fourth proportional to 1,274,952.24, 1,759,439.34 and 765,663.12 is: 1,056,618.26
Step by Step Solution
- Step 1: Write the proportion equation
1,274,952.24 : 1,759,439.34 = 765,663.12 : x - Step 2: Convert to fraction form
1,274,952.24/1,759,439.34 = 765,663.12/x - Step 3: Cross multiply
1,274,952.24x = 1,759,439.34 × 765,663.12 - Step 4: Simplify right side
1,274,952.24x = 1,347,137,814,515.14 - Step 5: Solve for x
x = 1,347,137,814,515.14/1,274,952.24 - Step 6: Final answer
x = 1,056,618.26
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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.