Finding the Fourth Proportional to 1,343,638.13, 1,854,183.25 and 731,777.49
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Solution
The fourth proportional to 1,343,638.13, 1,854,183.25 and 731,777.49 is: 1,009,832.59
Step by Step Solution
- Step 1: Write the proportion equation
1,343,638.13 : 1,854,183.25 = 731,777.49 : x - Step 2: Convert to fraction form
1,343,638.13/1,854,183.25 = 731,777.49/x - Step 3: Cross multiply
1,343,638.13x = 1,854,183.25 × 731,777.49 - Step 4: Simplify right side
1,343,638.13x = 1,356,849,565,599.76 - Step 5: Solve for x
x = 1,356,849,565,599.76/1,343,638.13 - Step 6: Final answer
x = 1,009,832.59
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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.