Finding the Fourth Proportional to 1,237,102.12, 1,707,305.61 and 693,231.67
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Solution
The fourth proportional to 1,237,102.12, 1,707,305.61 and 693,231.67 is: 956,718.37
Step by Step Solution
- Step 1: Write the proportion equation
1,237,102.12 : 1,707,305.61 = 693,231.67 : x - Step 2: Convert to fraction form
1,237,102.12/1,707,305.61 = 693,231.67/x - Step 3: Cross multiply
1,237,102.12x = 1,707,305.61 × 693,231.67 - Step 4: Simplify right side
1,237,102.12x = 1,183,558,319,220.67 - Step 5: Solve for x
x = 1,183,558,319,220.67/1,237,102.12 - Step 6: Final answer
x = 956,718.37
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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.