Finding the Fourth Proportional to 1,165,813.40, 1,749,497.70 and 534,402.20
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Solution
The fourth proportional to 1,165,813.40, 1,749,497.70 and 534,402.20 is: 801,959.75
Step by Step Solution
- Step 1: Write the proportion equation
1,165,813.40 : 1,749,497.70 = 534,402.20 : x - Step 2: Convert to fraction form
1,165,813.40/1,749,497.70 = 534,402.20/x - Step 3: Cross multiply
1,165,813.40x = 1,749,497.70 × 534,402.20 - Step 4: Simplify right side
1,165,813.40x = 934,935,419,774.94 - Step 5: Solve for x
x = 934,935,419,774.94/1,165,813.40 - Step 6: Final answer
x = 801,959.75
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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.