Finding the Fourth Proportional to 1,343,991.84, 1,854,707.91 and 740,379.84
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Solution
The fourth proportional to 1,343,991.84, 1,854,707.91 and 740,379.84 is: 1,021,723.72
Step by Step Solution
- Step 1: Write the proportion equation
1,343,991.84 : 1,854,707.91 = 740,379.84 : x - Step 2: Convert to fraction form
1,343,991.84/1,854,707.91 = 740,379.84/x - Step 3: Cross multiply
1,343,991.84x = 1,854,707.91 × 740,379.84 - Step 4: Simplify right side
1,343,991.84x = 1,373,188,345,652.53 - Step 5: Solve for x
x = 1,373,188,345,652.53/1,343,991.84 - Step 6: Final answer
x = 1,021,723.72
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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.