Finding the Fourth Proportional to 1,375,125.06, 1,897,636.14 and 763,276.08
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Solution
The fourth proportional to 1,375,125.06, 1,897,636.14 and 763,276.08 is: 1,053,300.76
Step by Step Solution
- Step 1: Write the proportion equation
1,375,125.06 : 1,897,636.14 = 763,276.08 : x - Step 2: Convert to fraction form
1,375,125.06/1,897,636.14 = 763,276.08/x - Step 3: Cross multiply
1,375,125.06x = 1,897,636.14 × 763,276.08 - Step 4: Simplify right side
1,375,125.06x = 1,448,420,274,205.53 - Step 5: Solve for x
x = 1,448,420,274,205.53/1,375,125.06 - Step 6: Final answer
x = 1,053,300.76
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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.