Finding the Fourth Proportional to 1,411,015.68, 1,947,236.76 and 766,435.68
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Solution
The fourth proportional to 1,411,015.68, 1,947,236.76 and 766,435.68 is: 1,057,700.32
Step by Step Solution
- Step 1: Write the proportion equation
1,411,015.68 : 1,947,236.76 = 766,435.68 : x - Step 2: Convert to fraction form
1,411,015.68/1,947,236.76 = 766,435.68/x - Step 3: Cross multiply
1,411,015.68x = 1,947,236.76 × 766,435.68 - Step 4: Simplify right side
1,411,015.68x = 1,492,431,730,271.60 - Step 5: Solve for x
x = 1,492,431,730,271.60/1,411,015.68 - Step 6: Final answer
x = 1,057,700.32
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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.