Finding the Fourth Proportional to 1,296,563.41, 1,789,747.85 and 975,201.53
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Solution
The fourth proportional to 1,296,563.41, 1,789,747.85 and 975,201.53 is: 1,346,146.92
Step by Step Solution
- Step 1: Write the proportion equation
1,296,563.41 : 1,789,747.85 = 975,201.53 : x - Step 2: Convert to fraction form
1,296,563.41/1,789,747.85 = 975,201.53/x - Step 3: Cross multiply
1,296,563.41x = 1,789,747.85 × 975,201.53 - Step 4: Simplify right side
1,296,563.41x = 1,745,364,835,123.48 - Step 5: Solve for x
x = 1,745,364,835,123.48/1,296,563.41 - Step 6: Final answer
x = 1,346,146.92
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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.