Finding the Fourth Proportional to 1,281,053.10, 1,768,029.07 and 737,177.79
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Solution
The fourth proportional to 1,281,053.10, 1,768,029.07 and 737,177.79 is: 1,017,406.51
Step by Step Solution
- Step 1: Write the proportion equation
1,281,053.10 : 1,768,029.07 = 737,177.79 : x - Step 2: Convert to fraction form
1,281,053.10/1,768,029.07 = 737,177.79/x - Step 3: Cross multiply
1,281,053.10x = 1,768,029.07 × 737,177.79 - Step 4: Simplify right side
1,281,053.10x = 1,303,351,768,647.73 - Step 5: Solve for x
x = 1,303,351,768,647.73/1,281,053.10 - Step 6: Final answer
x = 1,017,406.51
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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.