Finding the Fourth Proportional to 1,174,285.43, 1,620,486.43 and 690,881.68
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Solution
The fourth proportional to 1,174,285.43, 1,620,486.43 and 690,881.68 is: 953,400.56
Step by Step Solution
- Step 1: Write the proportion equation
1,174,285.43 : 1,620,486.43 = 690,881.68 : x - Step 2: Convert to fraction form
1,174,285.43/1,620,486.43 = 690,881.68/x - Step 3: Cross multiply
1,174,285.43x = 1,620,486.43 × 690,881.68 - Step 4: Simplify right side
1,174,285.43x = 1,119,564,381,397.18 - Step 5: Solve for x
x = 1,119,564,381,397.18/1,174,285.43 - Step 6: Final answer
x = 953,400.56
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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.