Finding the Fourth Proportional to 1,190,604.06, 1,640,029.28 and 960,517.08
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Solution
The fourth proportional to 1,190,604.06, 1,640,029.28 and 960,517.08 is: 1,323,089.84
Step by Step Solution
- Step 1: Write the proportion equation
1,190,604.06 : 1,640,029.28 = 960,517.08 : x - Step 2: Convert to fraction form
1,190,604.06/1,640,029.28 = 960,517.08/x - Step 3: Cross multiply
1,190,604.06x = 1,640,029.28 × 960,517.08 - Step 4: Simplify right side
1,190,604.06x = 1,575,276,130,337.52 - Step 5: Solve for x
x = 1,575,276,130,337.52/1,190,604.06 - Step 6: Final answer
x = 1,323,089.84
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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.