Finding the Fourth Proportional to 1,390,690.08, 2,086,912.62 and 591,970.32
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Solution
The fourth proportional to 1,390,690.08, 2,086,912.62 and 591,970.32 is: 888,329.00
Step by Step Solution
- Step 1: Write the proportion equation
1,390,690.08 : 2,086,912.62 = 591,970.32 : x - Step 2: Convert to fraction form
1,390,690.08/2,086,912.62 = 591,970.32/x - Step 3: Cross multiply
1,390,690.08x = 2,086,912.62 × 591,970.32 - Step 4: Simplify right side
1,390,690.08x = 1,235,390,331,473.44 - Step 5: Solve for x
x = 1,235,390,331,473.44/1,390,690.08 - Step 6: Final answer
x = 888,329.00
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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.