Finding the Fourth Proportional to 1,055,133.68, 1,456,082.42 and 571,711.91
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Solution
The fourth proportional to 1,055,133.68, 1,456,082.42 and 571,711.91 is: 788,961.31
Step by Step Solution
- Step 1: Write the proportion equation
1,055,133.68 : 1,456,082.42 = 571,711.91 : x - Step 2: Convert to fraction form
1,055,133.68/1,456,082.42 = 571,711.91/x - Step 3: Cross multiply
1,055,133.68x = 1,456,082.42 × 571,711.91 - Step 4: Simplify right side
1,055,133.68x = 832,459,651,316.65 - Step 5: Solve for x
x = 832,459,651,316.65/1,055,133.68 - Step 6: Final answer
x = 788,961.31
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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.