Finding the Fourth Proportional to 1,271,809.80, 1,755,097.20 and 698,887.08
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Solution
The fourth proportional to 1,271,809.80, 1,755,097.20 and 698,887.08 is: 964,463.99
Step by Step Solution
- Step 1: Write the proportion equation
1,271,809.80 : 1,755,097.20 = 698,887.08 : x - Step 2: Convert to fraction form
1,271,809.80/1,755,097.20 = 698,887.08/x - Step 3: Cross multiply
1,271,809.80x = 1,755,097.20 × 698,887.08 - Step 4: Simplify right side
1,271,809.80x = 1,226,614,757,224.18 - Step 5: Solve for x
x = 1,226,614,757,224.18/1,271,809.80 - Step 6: Final answer
x = 964,463.99
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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.