Finding the Fourth Proportional to 1,006,715.19, 1,389,296.18 and 547,859.37
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Solution
The fourth proportional to 1,006,715.19, 1,389,296.18 and 547,859.37 is: 756,061.83
Step by Step Solution
- Step 1: Write the proportion equation
1,006,715.19 : 1,389,296.18 = 547,859.37 : x - Step 2: Convert to fraction form
1,006,715.19/1,389,296.18 = 547,859.37/x - Step 3: Cross multiply
1,006,715.19x = 1,389,296.18 × 547,859.37 - Step 4: Simplify right side
1,006,715.19x = 761,138,929,918.21 - Step 5: Solve for x
x = 761,138,929,918.21/1,006,715.19 - Step 6: Final answer
x = 756,061.83
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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.