Finding the Fourth Proportional to 1,283,698.08, 1,771,380.36 and 767,349.54
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Solution
The fourth proportional to 1,283,698.08, 1,771,380.36 and 767,349.54 is: 1,058,868.85
Step by Step Solution
- Step 1: Write the proportion equation
1,283,698.08 : 1,771,380.36 = 767,349.54 : x - Step 2: Convert to fraction form
1,283,698.08/1,771,380.36 = 767,349.54/x - Step 3: Cross multiply
1,283,698.08x = 1,771,380.36 × 767,349.54 - Step 4: Simplify right side
1,283,698.08x = 1,359,267,904,411.03 - Step 5: Solve for x
x = 1,359,267,904,411.03/1,283,698.08 - Step 6: Final answer
x = 1,058,868.85
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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.