Finding the Fourth Proportional to 1,186,746.40, 1,780,094.96 and 288,192.84
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Solution
The fourth proportional to 1,186,746.40, 1,780,094.96 and 288,192.84 is: 432,283.28
Step by Step Solution
- Step 1: Write the proportion equation
1,186,746.40 : 1,780,094.96 = 288,192.84 : x - Step 2: Convert to fraction form
1,186,746.40/1,780,094.96 = 288,192.84/x - Step 3: Cross multiply
1,186,746.40x = 1,780,094.96 × 288,192.84 - Step 4: Simplify right side
1,186,746.40x = 513,010,621,992.09 - Step 5: Solve for x
x = 513,010,621,992.09/1,186,746.40 - Step 6: Final answer
x = 432,283.28
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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.