Finding the Fourth Proportional to 1,344,183.13, 1,854,971.70 and 740,571.13
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Solution
The fourth proportional to 1,344,183.13, 1,854,971.70 and 740,571.13 is: 1,021,987.60
Step by Step Solution
- Step 1: Write the proportion equation
1,344,183.13 : 1,854,971.70 = 740,571.13 : x - Step 2: Convert to fraction form
1,344,183.13/1,854,971.70 = 740,571.13/x - Step 3: Cross multiply
1,344,183.13x = 1,854,971.70 × 740,571.13 - Step 4: Simplify right side
1,344,183.13x = 1,373,738,487,987.02 - Step 5: Solve for x
x = 1,373,738,487,987.02/1,344,183.13 - Step 6: Final answer
x = 1,021,987.60
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1.5x scale
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.