Finding the Fourth Proportional to 1,348,611.99, 1,861,121.06 and 805,063.24
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Solution
The fourth proportional to 1,348,611.99, 1,861,121.06 and 805,063.24 is: 1,111,009.07
Step by Step Solution
- Step 1: Write the proportion equation
1,348,611.99 : 1,861,121.06 = 805,063.24 : x - Step 2: Convert to fraction form
1,348,611.99/1,861,121.06 = 805,063.24/x - Step 3: Cross multiply
1,348,611.99x = 1,861,121.06 × 805,063.24 - Step 4: Simplify right side
1,348,611.99x = 1,498,320,150,595.83 - Step 5: Solve for x
x = 1,498,320,150,595.83/1,348,611.99 - Step 6: Final answer
x = 1,111,009.07
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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.