Finding the Fourth Proportional to 1,361,312.72, 1,878,577.21 and 749,459.37
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Solution
The fourth proportional to 1,361,312.72, 1,878,577.21 and 749,459.37 is: 1,034,235.03
Step by Step Solution
- Step 1: Write the proportion equation
1,361,312.72 : 1,878,577.21 = 749,459.37 : x - Step 2: Convert to fraction form
1,361,312.72/1,878,577.21 = 749,459.37/x - Step 3: Cross multiply
1,361,312.72x = 1,878,577.21 × 749,459.37 - Step 4: Simplify right side
1,361,312.72x = 1,407,917,290,429.31 - Step 5: Solve for x
x = 1,407,917,290,429.31/1,361,312.72 - Step 6: Final answer
x = 1,034,235.03
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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.