Finding the Fourth Proportional to 1,292,130.48, 1,936,062.96 and 750,867.36
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Solution
The fourth proportional to 1,292,130.48, 1,936,062.96 and 750,867.36 is: 1,125,061.68
Step by Step Solution
- Step 1: Write the proportion equation
1,292,130.48 : 1,936,062.96 = 750,867.36 : x - Step 2: Convert to fraction form
1,292,130.48/1,936,062.96 = 750,867.36/x - Step 3: Cross multiply
1,292,130.48x = 1,936,062.96 × 750,867.36 - Step 4: Simplify right side
1,292,130.48x = 1,453,726,483,568.99 - Step 5: Solve for x
x = 1,453,726,483,568.99/1,292,130.48 - Step 6: Final answer
x = 1,125,061.68
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.