Finding the Fourth Proportional to 1,257,365.72, 1,735,116.36 and 713,469.02
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Solution
The fourth proportional to 1,257,365.72, 1,735,116.36 and 713,469.02 is: 984,559.82
Step by Step Solution
- Step 1: Write the proportion equation
1,257,365.72 : 1,735,116.36 = 713,469.02 : x - Step 2: Convert to fraction form
1,257,365.72/1,735,116.36 = 713,469.02/x - Step 3: Cross multiply
1,257,365.72x = 1,735,116.36 × 713,469.02 - Step 4: Simplify right side
1,257,365.72x = 1,237,951,760,279.59 - Step 5: Solve for x
x = 1,237,951,760,279.59/1,257,365.72 - Step 6: Final answer
x = 984,559.82
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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.