Finding the Fourth Proportional to 1,186,775.68, 1,780,144.08 and 288,224.80
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Solution
The fourth proportional to 1,186,775.68, 1,780,144.08 and 288,224.80 is: 432,332.48
Step by Step Solution
- Step 1: Write the proportion equation
1,186,775.68 : 1,780,144.08 = 288,224.80 : x - Step 2: Convert to fraction form
1,186,775.68/1,780,144.08 = 288,224.80/x - Step 3: Cross multiply
1,186,775.68x = 1,780,144.08 × 288,224.80 - Step 4: Simplify right side
1,186,775.68x = 513,081,671,429.18 - Step 5: Solve for x
x = 513,081,671,429.18/1,186,775.68 - Step 6: Final answer
x = 432,332.48
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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.