Finding the Fourth Proportional to 1,225,125.05, 1,690,713.64 and 673,864.07
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Solution
The fourth proportional to 1,225,125.05, 1,690,713.64 and 673,864.07 is: 929,955.01
Step by Step Solution
- Step 1: Write the proportion equation
1,225,125.05 : 1,690,713.64 = 673,864.07 : x - Step 2: Convert to fraction form
1,225,125.05/1,690,713.64 = 673,864.07/x - Step 3: Cross multiply
1,225,125.05x = 1,690,713.64 × 673,864.07 - Step 4: Simplify right side
1,225,125.05x = 1,139,311,174,654.91 - Step 5: Solve for x
x = 1,139,311,174,654.91/1,225,125.05 - Step 6: Final answer
x = 929,955.01
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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.