Finding the Fourth Proportional to 1,188,812.12, 1,781,525.28 and 589,182.08
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Solution
The fourth proportional to 1,188,812.12, 1,781,525.28 and 589,182.08 is: 882,934.11
Step by Step Solution
- Step 1: Write the proportion equation
1,188,812.12 : 1,781,525.28 = 589,182.08 : x - Step 2: Convert to fraction form
1,188,812.12/1,781,525.28 = 589,182.08/x - Step 3: Cross multiply
1,188,812.12x = 1,781,525.28 × 589,182.08 - Step 4: Simplify right side
1,188,812.12x = 1,049,642,770,042.98 - Step 5: Solve for x
x = 1,049,642,770,042.98/1,188,812.12 - Step 6: Final answer
x = 882,934.11
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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.