Finding the Fourth Proportional to 1,277,218.40, 1,762,573.68 and 704,278.88
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Solution
The fourth proportional to 1,277,218.40, 1,762,573.68 and 704,278.88 is: 971,911.63
Step by Step Solution
- Step 1: Write the proportion equation
1,277,218.40 : 1,762,573.68 = 704,278.88 : x - Step 2: Convert to fraction form
1,277,218.40/1,762,573.68 = 704,278.88/x - Step 3: Cross multiply
1,277,218.40x = 1,762,573.68 × 704,278.88 - Step 4: Simplify right side
1,277,218.40x = 1,241,343,417,267.88 - Step 5: Solve for x
x = 1,241,343,417,267.88/1,277,218.40 - Step 6: Final answer
x = 971,911.63
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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.