Finding the Fourth Proportional to 1,341,128.20, 1,850,624.36 and 760,236.74
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Solution
The fourth proportional to 1,341,128.20, 1,850,624.36 and 760,236.74 is: 1,049,051.56
Step by Step Solution
- Step 1: Write the proportion equation
1,341,128.20 : 1,850,624.36 = 760,236.74 : x - Step 2: Convert to fraction form
1,341,128.20/1,850,624.36 = 760,236.74/x - Step 3: Cross multiply
1,341,128.20x = 1,850,624.36 × 760,236.74 - Step 4: Simplify right side
1,341,128.20x = 1,406,912,631,423.74 - Step 5: Solve for x
x = 1,406,912,631,423.74/1,341,128.20 - Step 6: Final answer
x = 1,049,051.56
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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.