Finding the Fourth Proportional to 1,214,203.81, 1,675,657.34 and 670,416.79
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Solution
The fourth proportional to 1,214,203.81, 1,675,657.34 and 670,416.79 is: 925,206.14
Step by Step Solution
- Step 1: Write the proportion equation
1,214,203.81 : 1,675,657.34 = 670,416.79 : x - Step 2: Convert to fraction form
1,214,203.81/1,675,657.34 = 670,416.79/x - Step 3: Cross multiply
1,214,203.81x = 1,675,657.34 × 670,416.79 - Step 4: Simplify right side
1,214,203.81x = 1,123,388,815,022.74 - Step 5: Solve for x
x = 1,123,388,815,022.74/1,214,203.81 - Step 6: Final answer
x = 925,206.14
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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.