Finding the Fourth Proportional to 1,277,954.18, 1,763,548.35 and 704,994.20
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Solution
The fourth proportional to 1,277,954.18, 1,763,548.35 and 704,994.20 is: 972,876.32
Step by Step Solution
- Step 1: Write the proportion equation
1,277,954.18 : 1,763,548.35 = 704,994.20 : x - Step 2: Convert to fraction form
1,277,954.18/1,763,548.35 = 704,994.20/x - Step 3: Cross multiply
1,277,954.18x = 1,763,548.35 × 704,994.20 - Step 4: Simplify right side
1,277,954.18x = 1,243,291,349,351.83 - Step 5: Solve for x
x = 1,243,291,349,351.83/1,277,954.18 - Step 6: Final answer
x = 972,876.32
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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.