Finding the Fourth Proportional to 1,185,517.60, 1,773,027.60 and 996,560.80
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Solution
The fourth proportional to 1,185,517.60, 1,773,027.60 and 996,560.80 is: 1,490,428.99
Step by Step Solution
- Step 1: Write the proportion equation
1,185,517.60 : 1,773,027.60 = 996,560.80 : x - Step 2: Convert to fraction form
1,185,517.60/1,773,027.60 = 996,560.80/x - Step 3: Cross multiply
1,185,517.60x = 1,773,027.60 × 996,560.80 - Step 4: Simplify right side
1,185,517.60x = 1,766,929,803,478.08 - Step 5: Solve for x
x = 1,766,929,803,478.08/1,185,517.60 - Step 6: Final answer
x = 1,490,428.99
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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.