Finding the Fourth Proportional to 1,106,557.40, 1,657,503.30 and 988,362.20
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Solution
The fourth proportional to 1,106,557.40, 1,657,503.30 and 988,362.20 is: 1,480,459.67
Step by Step Solution
- Step 1: Write the proportion equation
1,106,557.40 : 1,657,503.30 = 988,362.20 : x - Step 2: Convert to fraction form
1,106,557.40/1,657,503.30 = 988,362.20/x - Step 3: Cross multiply
1,106,557.40x = 1,657,503.30 × 988,362.20 - Step 4: Simplify right side
1,106,557.40x = 1,638,213,608,095.26 - Step 5: Solve for x
x = 1,638,213,608,095.26/1,106,557.40 - Step 6: Final answer
x = 1,480,459.67
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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.