Finding the Fourth Proportional to 1,256,632.48, 1,734,079.50 and 705,296.96
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Solution
The fourth proportional to 1,256,632.48, 1,734,079.50 and 705,296.96 is: 973,268.65
Step by Step Solution
- Step 1: Write the proportion equation
1,256,632.48 : 1,734,079.50 = 705,296.96 : x - Step 2: Convert to fraction form
1,256,632.48/1,734,079.50 = 705,296.96/x - Step 3: Cross multiply
1,256,632.48x = 1,734,079.50 × 705,296.96 - Step 4: Simplify right side
1,256,632.48x = 1,223,040,997,985.08 - Step 5: Solve for x
x = 1,223,040,997,985.08/1,256,632.48 - Step 6: Final answer
x = 973,268.65
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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.