Finding the Fourth Proportional to 1,162,865.97, 1,604,882.91 and 666,197.07
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Solution
The fourth proportional to 1,162,865.97, 1,604,882.91 and 666,197.07 is: 919,425.21
Step by Step Solution
- Step 1: Write the proportion equation
1,162,865.97 : 1,604,882.91 = 666,197.07 : x - Step 2: Convert to fraction form
1,162,865.97/1,604,882.91 = 666,197.07/x - Step 3: Cross multiply
1,162,865.97x = 1,604,882.91 × 666,197.07 - Step 4: Simplify right side
1,162,865.97x = 1,069,168,292,335.07 - Step 5: Solve for x
x = 1,069,168,292,335.07/1,162,865.97 - Step 6: Final answer
x = 919,425.21
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1.5x scale
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.