Finding the Fourth Proportional to 1,256,342.81, 1,734,060.99 and 712,796.75
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Solution
The fourth proportional to 1,256,342.81, 1,734,060.99 and 712,796.75 is: 983,834.21
Step by Step Solution
- Step 1: Write the proportion equation
1,256,342.81 : 1,734,060.99 = 712,796.75 : x - Step 2: Convert to fraction form
1,256,342.81/1,734,060.99 = 712,796.75/x - Step 3: Cross multiply
1,256,342.81x = 1,734,060.99 × 712,796.75 - Step 4: Simplify right side
1,256,342.81x = 1,236,033,029,303.48 - Step 5: Solve for x
x = 1,236,033,029,303.48/1,256,342.81 - Step 6: Final answer
x = 983,834.21
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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.