Finding the Fourth Proportional to 1,267,876.08, 1,749,646.44 and 751,977.36
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Solution
The fourth proportional to 1,267,876.08, 1,749,646.44 and 751,977.36 is: 1,037,715.38
Step by Step Solution
- Step 1: Write the proportion equation
1,267,876.08 : 1,749,646.44 = 751,977.36 : x - Step 2: Convert to fraction form
1,267,876.08/1,749,646.44 = 751,977.36/x - Step 3: Cross multiply
1,267,876.08x = 1,749,646.44 × 751,977.36 - Step 4: Simplify right side
1,267,876.08x = 1,315,694,510,884.60 - Step 5: Solve for x
x = 1,315,694,510,884.60/1,267,876.08 - Step 6: Final answer
x = 1,037,715.38
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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.