Finding the Fourth Proportional to 1,116,177.48, 1,674,228.68 and 485,091.36
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Solution
The fourth proportional to 1,116,177.48, 1,674,228.68 and 485,091.36 is: 727,620.73
Step by Step Solution
- Step 1: Write the proportion equation
1,116,177.48 : 1,674,228.68 = 485,091.36 : x - Step 2: Convert to fraction form
1,116,177.48/1,674,228.68 = 485,091.36/x - Step 3: Cross multiply
1,116,177.48x = 1,674,228.68 × 485,091.36 - Step 4: Simplify right side
1,116,177.48x = 812,153,867,332.21 - Step 5: Solve for x
x = 812,153,867,332.21/1,116,177.48 - Step 6: Final answer
x = 727,620.73
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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.