Finding the Fourth Proportional to 1,378,537.44, 1,902,364.75 and 774,925.44
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Solution
The fourth proportional to 1,378,537.44, 1,902,364.75 and 774,925.44 is: 1,069,387.60
Step by Step Solution
- Step 1: Write the proportion equation
1,378,537.44 : 1,902,364.75 = 774,925.44 : x - Step 2: Convert to fraction form
1,378,537.44/1,902,364.75 = 774,925.44/x - Step 3: Cross multiply
1,378,537.44x = 1,902,364.75 × 774,925.44 - Step 4: Simplify right side
1,378,537.44x = 1,474,190,840,934.24 - Step 5: Solve for x
x = 1,474,190,840,934.24/1,378,537.44 - Step 6: Final answer
x = 1,069,387.60
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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.