Finding the Fourth Proportional to 1,202,908.99, 1,660,014.35 and 659,065.40
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Solution
The fourth proportional to 1,202,908.99, 1,660,014.35 and 659,065.40 is: 909,510.22
Step by Step Solution
- Step 1: Write the proportion equation
1,202,908.99 : 1,660,014.35 = 659,065.40 : x - Step 2: Convert to fraction form
1,202,908.99/1,660,014.35 = 659,065.40/x - Step 3: Cross multiply
1,202,908.99x = 1,660,014.35 × 659,065.40 - Step 4: Simplify right side
1,202,908.99x = 1,094,058,018,293.16 - Step 5: Solve for x
x = 1,094,058,018,293.16/1,202,908.99 - Step 6: Final answer
x = 909,510.22
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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.