Finding the Fourth Proportional to 1,203,236.18, 1,803,639.09 and 754,271.74
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Solution
The fourth proportional to 1,203,236.18, 1,803,639.09 and 754,271.74 is: 1,130,645.85
Step by Step Solution
- Step 1: Write the proportion equation
1,203,236.18 : 1,803,639.09 = 754,271.74 : x - Step 2: Convert to fraction form
1,203,236.18/1,803,639.09 = 754,271.74/x - Step 3: Cross multiply
1,203,236.18x = 1,803,639.09 × 754,271.74 - Step 4: Simplify right side
1,203,236.18x = 1,360,433,985,728.12 - Step 5: Solve for x
x = 1,360,433,985,728.12/1,203,236.18 - Step 6: Final answer
x = 1,130,645.85
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.