Finding the Fourth Proportional to 1,092,649.14, 1,638,482.04 and 418,258.56
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Solution
The fourth proportional to 1,092,649.14, 1,638,482.04 and 418,258.56 is: 627,199.63
Step by Step Solution
- Step 1: Write the proportion equation
1,092,649.14 : 1,638,482.04 = 418,258.56 : x - Step 2: Convert to fraction form
1,092,649.14/1,638,482.04 = 418,258.56/x - Step 3: Cross multiply
1,092,649.14x = 1,638,482.04 × 418,258.56 - Step 4: Simplify right side
1,092,649.14x = 685,309,138,636.26 - Step 5: Solve for x
x = 685,309,138,636.26/1,092,649.14 - Step 6: Final answer
x = 627,199.63
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.