Finding the Fourth Proportional to 1,234,573.74, 1,852,081.74 and 436,318.74
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Solution
The fourth proportional to 1,234,573.74, 1,852,081.74 and 436,318.74 is: 654,556.26
Step by Step Solution
- Step 1: Write the proportion equation
1,234,573.74 : 1,852,081.74 = 436,318.74 : x - Step 2: Convert to fraction form
1,234,573.74/1,852,081.74 = 436,318.74/x - Step 3: Cross multiply
1,234,573.74x = 1,852,081.74 × 436,318.74 - Step 4: Simplify right side
1,234,573.74x = 808,097,971,173.81 - Step 5: Solve for x
x = 808,097,971,173.81/1,234,573.74 - Step 6: Final answer
x = 654,556.26
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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.