Finding the Fourth Proportional to 1,323,805.68, 1,827,486.36 and 814,944.24
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Solution
The fourth proportional to 1,323,805.68, 1,827,486.36 and 814,944.24 is: 1,125,013.67
Step by Step Solution
- Step 1: Write the proportion equation
1,323,805.68 : 1,827,486.36 = 814,944.24 : x - Step 2: Convert to fraction form
1,323,805.68/1,827,486.36 = 814,944.24/x - Step 3: Cross multiply
1,323,805.68x = 1,827,486.36 × 814,944.24 - Step 4: Simplify right side
1,323,805.68x = 1,489,299,482,760.57 - Step 5: Solve for x
x = 1,489,299,482,760.57/1,323,805.68 - Step 6: Final answer
x = 1,125,013.67
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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.