Finding the Fourth Proportional to 988,944.99, 1,490,829.62 and 923,030.82
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Solution
The fourth proportional to 988,944.99, 1,490,829.62 and 923,030.82 is: 1,391,464.33
Step by Step Solution
- Step 1: Write the proportion equation
988,944.99 : 1,490,829.62 = 923,030.82 : x - Step 2: Convert to fraction form
988,944.99/1,490,829.62 = 923,030.82/x - Step 3: Cross multiply
988,944.99x = 1,490,829.62 × 923,030.82 - Step 4: Simplify right side
988,944.99x = 1,376,081,682,013.73 - Step 5: Solve for x
x = 1,376,081,682,013.73/988,944.99 - Step 6: Final answer
x = 1,391,464.33
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Why These Related Problems?
These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.