Finding the Fourth Proportional to 1,247,451.24, 1,721,412.03 and 703,554.52
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Solution
The fourth proportional to 1,247,451.24, 1,721,412.03 and 703,554.52 is: 970,865.37
Step by Step Solution
- Step 1: Write the proportion equation
1,247,451.24 : 1,721,412.03 = 703,554.52 : x - Step 2: Convert to fraction form
1,247,451.24/1,721,412.03 = 703,554.52/x - Step 3: Cross multiply
1,247,451.24x = 1,721,412.03 × 703,554.52 - Step 4: Simplify right side
1,247,451.24x = 1,211,107,210,185.35 - Step 5: Solve for x
x = 1,211,107,210,185.35/1,247,451.24 - Step 6: Final answer
x = 970,865.37
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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.