Finding the Fourth Proportional to 1,191,236.24, 1,643,240.76 and 732,032.12
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Solution
The fourth proportional to 1,191,236.24, 1,643,240.76 and 732,032.12 is: 1,009,795.52
Step by Step Solution
- Step 1: Write the proportion equation
1,191,236.24 : 1,643,240.76 = 732,032.12 : x - Step 2: Convert to fraction form
1,191,236.24/1,643,240.76 = 732,032.12/x - Step 3: Cross multiply
1,191,236.24x = 1,643,240.76 × 732,032.12 - Step 4: Simplify right side
1,191,236.24x = 1,202,905,017,213.21 - Step 5: Solve for x
x = 1,202,905,017,213.21/1,191,236.24 - Step 6: Final answer
x = 1,009,795.52
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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.