Finding the Fourth Proportional to 1,325,633.68, 1,829,530.55 and 744,858.06
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Solution
The fourth proportional to 1,325,633.68, 1,829,530.55 and 744,858.06 is: 1,027,991.82
Step by Step Solution
- Step 1: Write the proportion equation
1,325,633.68 : 1,829,530.55 = 744,858.06 : x - Step 2: Convert to fraction form
1,325,633.68/1,829,530.55 = 744,858.06/x - Step 3: Cross multiply
1,325,633.68x = 1,829,530.55 × 744,858.06 - Step 4: Simplify right side
1,325,633.68x = 1,362,740,572,459.44 - Step 5: Solve for x
x = 1,362,740,572,459.44/1,325,633.68 - Step 6: Final answer
x = 1,027,991.82
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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.