Finding the Fourth Proportional to 1,277,291.16, 1,762,675.74 and 704,351.88
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Solution
The fourth proportional to 1,277,291.16, 1,762,675.74 and 704,351.88 is: 972,013.28
Step by Step Solution
- Step 1: Write the proportion equation
1,277,291.16 : 1,762,675.74 = 704,351.88 : x - Step 2: Convert to fraction form
1,277,291.16/1,762,675.74 = 704,351.88/x - Step 3: Cross multiply
1,277,291.16x = 1,762,675.74 × 704,351.88 - Step 4: Simplify right side
1,277,291.16x = 1,241,543,971,299.39 - Step 5: Solve for x
x = 1,241,543,971,299.39/1,277,291.16 - Step 6: Final answer
x = 972,013.28
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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.