Finding the Fourth Proportional to 1,345,990.76, 2,019,883.99 and 698,164.01
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Solution
The fourth proportional to 1,345,990.76, 2,019,883.99 and 698,164.01 is: 1,047,711.73
Step by Step Solution
- Step 1: Write the proportion equation
1,345,990.76 : 2,019,883.99 = 698,164.01 : x - Step 2: Convert to fraction form
1,345,990.76/2,019,883.99 = 698,164.01/x - Step 3: Cross multiply
1,345,990.76x = 2,019,883.99 × 698,164.01 - Step 4: Simplify right side
1,345,990.76x = 1,410,210,306,193.20 - Step 5: Solve for x
x = 1,410,210,306,193.20/1,345,990.76 - Step 6: Final answer
x = 1,047,711.73
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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.