Finding the Fourth Proportional to 1,295,660.68, 1,788,014.46 and 722,686.12
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Solution
The fourth proportional to 1,295,660.68, 1,788,014.46 and 722,686.12 is: 997,308.36
Step by Step Solution
- Step 1: Write the proportion equation
1,295,660.68 : 1,788,014.46 = 722,686.12 : x - Step 2: Convert to fraction form
1,295,660.68/1,788,014.46 = 722,686.12/x - Step 3: Cross multiply
1,295,660.68x = 1,788,014.46 × 722,686.12 - Step 4: Simplify right side
1,295,660.68x = 1,292,173,232,601.30 - Step 5: Solve for x
x = 1,292,173,232,601.30/1,295,660.68 - Step 6: Final answer
x = 997,308.36
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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.