Finding the Fourth Proportional to 1,201,163.74, 1,657,638.47 and 736,009.54
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Solution
The fourth proportional to 1,201,163.74, 1,657,638.47 and 736,009.54 is: 1,015,713.09
Step by Step Solution
- Step 1: Write the proportion equation
1,201,163.74 : 1,657,638.47 = 736,009.54 : x - Step 2: Convert to fraction form
1,201,163.74/1,657,638.47 = 736,009.54/x - Step 3: Cross multiply
1,201,163.74x = 1,657,638.47 × 736,009.54 - Step 4: Simplify right side
1,201,163.74x = 1,220,037,725,486.93 - Step 5: Solve for x
x = 1,220,037,725,486.93/1,201,163.74 - Step 6: Final answer
x = 1,015,713.09
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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.