Finding the Fourth Proportional to 1,173,270.29, 1,619,135.99 and 765,632.93
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Solution
The fourth proportional to 1,173,270.29, 1,619,135.99 and 765,632.93 is: 1,056,588.44
Step by Step Solution
- Step 1: Write the proportion equation
1,173,270.29 : 1,619,135.99 = 765,632.93 : x - Step 2: Convert to fraction form
1,173,270.29/1,619,135.99 = 765,632.93/x - Step 3: Cross multiply
1,173,270.29x = 1,619,135.99 × 765,632.93 - Step 4: Simplify right side
1,173,270.29x = 1,239,663,820,168.31 - Step 5: Solve for x
x = 1,239,663,820,168.31/1,173,270.29 - Step 6: Final answer
x = 1,056,588.44
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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.