Finding the Fourth Proportional to 1,122,964.56, 1,549,849.14 and 714,936.06
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Solution
The fourth proportional to 1,122,964.56, 1,549,849.14 and 714,936.06 is: 986,712.38
Step by Step Solution
- Step 1: Write the proportion equation
1,122,964.56 : 1,549,849.14 = 714,936.06 : x - Step 2: Convert to fraction form
1,122,964.56/1,549,849.14 = 714,936.06/x - Step 3: Cross multiply
1,122,964.56x = 1,549,849.14 × 714,936.06 - Step 4: Simplify right side
1,122,964.56x = 1,108,043,037,745.99 - Step 5: Solve for x
x = 1,108,043,037,745.99/1,122,964.56 - Step 6: Final answer
x = 986,712.38
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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.