Finding the Fourth Proportional to 1,185,324.08, 1,635,747.18 and 641,459.84
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Solution
The fourth proportional to 1,185,324.08, 1,635,747.18 and 641,459.84 is: 885,214.55
Step by Step Solution
- Step 1: Write the proportion equation
1,185,324.08 : 1,635,747.18 = 641,459.84 : x - Step 2: Convert to fraction form
1,185,324.08/1,635,747.18 = 641,459.84/x - Step 3: Cross multiply
1,185,324.08x = 1,635,747.18 × 641,459.84 - Step 4: Simplify right side
1,185,324.08x = 1,049,266,124,363.25 - Step 5: Solve for x
x = 1,049,266,124,363.25/1,185,324.08 - Step 6: Final answer
x = 885,214.55
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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.