Finding the Fourth Proportional to 1,203,210.75, 1,660,430.86 and 659,367.95
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Solution
The fourth proportional to 1,203,210.75, 1,660,430.86 and 659,367.95 is: 909,927.78
Step by Step Solution
- Step 1: Write the proportion equation
1,203,210.75 : 1,660,430.86 = 659,367.95 : x - Step 2: Convert to fraction form
1,203,210.75/1,660,430.86 = 659,367.95/x - Step 3: Cross multiply
1,203,210.75x = 1,660,430.86 × 659,367.95 - Step 4: Simplify right side
1,203,210.75x = 1,094,834,892,274.94 - Step 5: Solve for x
x = 1,094,834,892,274.94/1,203,210.75 - Step 6: Final answer
x = 909,927.78
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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.