Finding the Fourth Proportional to 1,345,138.05, 1,856,275.14 and 733,277.31
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Solution
The fourth proportional to 1,345,138.05, 1,856,275.14 and 733,277.31 is: 1,011,914.31
Step by Step Solution
- Step 1: Write the proportion equation
1,345,138.05 : 1,856,275.14 = 733,277.31 : x - Step 2: Convert to fraction form
1,345,138.05/1,856,275.14 = 733,277.31/x - Step 3: Cross multiply
1,345,138.05x = 1,856,275.14 × 733,277.31 - Step 4: Simplify right side
1,345,138.05x = 1,361,164,441,279.07 - Step 5: Solve for x
x = 1,361,164,441,279.07/1,345,138.05 - Step 6: Final answer
x = 1,011,914.31
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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.