Finding the Fourth Proportional to 1,277,955.18, 1,763,549.73 and 704,995.20
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Solution
The fourth proportional to 1,277,955.18, 1,763,549.73 and 704,995.20 is: 972,877.70
Step by Step Solution
- Step 1: Write the proportion equation
1,277,955.18 : 1,763,549.73 = 704,995.20 : x - Step 2: Convert to fraction form
1,277,955.18/1,763,549.73 = 704,995.20/x - Step 3: Cross multiply
1,277,955.18x = 1,763,549.73 × 704,995.20 - Step 4: Simplify right side
1,277,955.18x = 1,243,294,094,611.30 - Step 5: Solve for x
x = 1,243,294,094,611.30/1,277,955.18 - Step 6: Final answer
x = 972,877.70
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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.