Finding the Fourth Proportional to 1,233,856.24, 1,702,709.94 and 689,985.79
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Solution
The fourth proportional to 1,233,856.24, 1,702,709.94 and 689,985.79 is: 952,173.86
Step by Step Solution
- Step 1: Write the proportion equation
1,233,856.24 : 1,702,709.94 = 689,985.79 : x - Step 2: Convert to fraction form
1,233,856.24/1,702,709.94 = 689,985.79/x - Step 3: Cross multiply
1,233,856.24x = 1,702,709.94 × 689,985.79 - Step 4: Simplify right side
1,233,856.24x = 1,174,845,658,834.98 - Step 5: Solve for x
x = 1,174,845,658,834.98/1,233,856.24 - Step 6: Final answer
x = 952,173.86
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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.