Finding the Fourth Proportional to 1,156,214.12, 1,595,534.73 and 639,969.00
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Solution
The fourth proportional to 1,156,214.12, 1,595,534.73 and 639,969.00 is: 883,134.66
Step by Step Solution
- Step 1: Write the proportion equation
1,156,214.12 : 1,595,534.73 = 639,969.00 : x - Step 2: Convert to fraction form
1,156,214.12/1,595,534.73 = 639,969.00/x - Step 3: Cross multiply
1,156,214.12x = 1,595,534.73 × 639,969.00 - Step 4: Simplify right side
1,156,214.12x = 1,021,092,771,614.85 - Step 5: Solve for x
x = 1,021,092,771,614.85/1,156,214.12 - Step 6: Final answer
x = 883,134.66
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Why These Related Problems?
These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.