Finding the Fourth Proportional to 1,260,903.48, 1,740,052.44 and 687,955.65
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Solution
The fourth proportional to 1,260,903.48, 1,740,052.44 and 687,955.65 is: 949,381.87
Step by Step Solution
- Step 1: Write the proportion equation
1,260,903.48 : 1,740,052.44 = 687,955.65 : x - Step 2: Convert to fraction form
1,260,903.48/1,740,052.44 = 687,955.65/x - Step 3: Cross multiply
1,260,903.48x = 1,740,052.44 × 687,955.65 - Step 4: Simplify right side
1,260,903.48x = 1,197,078,907,394.29 - Step 5: Solve for x
x = 1,197,078,907,394.29/1,260,903.48 - Step 6: Final answer
x = 949,381.87
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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.