Finding the Fourth Proportional to 1,240,257.06, 1,711,450.08 and 750,409.02
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Solution
The fourth proportional to 1,240,257.06, 1,711,450.08 and 750,409.02 is: 1,035,501.12
Step by Step Solution
- Step 1: Write the proportion equation
1,240,257.06 : 1,711,450.08 = 750,409.02 : x - Step 2: Convert to fraction form
1,240,257.06/1,711,450.08 = 750,409.02/x - Step 3: Cross multiply
1,240,257.06x = 1,711,450.08 × 750,409.02 - Step 4: Simplify right side
1,240,257.06x = 1,284,287,577,311.72 - Step 5: Solve for x
x = 1,284,287,577,311.72/1,240,257.06 - Step 6: Final answer
x = 1,035,501.12
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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.