Finding the Fourth Proportional to 1,185,527.30, 1,636,027.55 and 641,662.99
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Solution
The fourth proportional to 1,185,527.30, 1,636,027.55 and 641,662.99 is: 885,494.86
Step by Step Solution
- Step 1: Write the proportion equation
1,185,527.30 : 1,636,027.55 = 641,662.99 : x - Step 2: Convert to fraction form
1,185,527.30/1,636,027.55 = 641,662.99/x - Step 3: Cross multiply
1,185,527.30x = 1,636,027.55 × 641,662.99 - Step 4: Simplify right side
1,185,527.30x = 1,049,778,335,149.60 - Step 5: Solve for x
x = 1,049,778,335,149.60/1,185,527.30 - Step 6: Final answer
x = 885,494.86
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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.