Finding the Fourth Proportional to 1,174,416.80, 1,761,625.20 and 613,623.20
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Solution
The fourth proportional to 1,174,416.80, 1,761,625.20 and 613,623.20 is: 920,434.80
Step by Step Solution
- Step 1: Write the proportion equation
1,174,416.80 : 1,761,625.20 = 613,623.20 : x - Step 2: Convert to fraction form
1,174,416.80/1,761,625.20 = 613,623.20/x - Step 3: Cross multiply
1,174,416.80x = 1,761,625.20 × 613,623.20 - Step 4: Simplify right side
1,174,416.80x = 1,080,974,092,424.64 - Step 5: Solve for x
x = 1,080,974,092,424.64/1,174,416.80 - Step 6: Final answer
x = 920,434.80
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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.