Finding the Fourth Proportional to 1,176,939.18, 1,623,758.34 and 769,276.44
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Solution
The fourth proportional to 1,176,939.18, 1,623,758.34 and 769,276.44 is: 1,061,328.45
Step by Step Solution
- Step 1: Write the proportion equation
1,176,939.18 : 1,623,758.34 = 769,276.44 : x - Step 2: Convert to fraction form
1,176,939.18/1,623,758.34 = 769,276.44/x - Step 3: Cross multiply
1,176,939.18x = 1,623,758.34 × 769,276.44 - Step 4: Simplify right side
1,176,939.18x = 1,249,119,035,215.51 - Step 5: Solve for x
x = 1,249,119,035,215.51/1,176,939.18 - Step 6: Final answer
x = 1,061,328.45
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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.