Finding the Fourth Proportional to 1,087,808.76, 1,631,700.99 and 661,462.02
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Solution
The fourth proportional to 1,087,808.76, 1,631,700.99 and 661,462.02 is: 992,185.64
Step by Step Solution
- Step 1: Write the proportion equation
1,087,808.76 : 1,631,700.99 = 661,462.02 : x - Step 2: Convert to fraction form
1,087,808.76/1,631,700.99 = 661,462.02/x - Step 3: Cross multiply
1,087,808.76x = 1,631,700.99 × 661,462.02 - Step 4: Simplify right side
1,087,808.76x = 1,079,308,232,881.40 - Step 5: Solve for x
x = 1,079,308,232,881.40/1,087,808.76 - Step 6: Final answer
x = 992,185.64
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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.