Finding the Fourth Proportional to 1,178,294.88, 1,767,391.68 and 379,558.56
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Solution
The fourth proportional to 1,178,294.88, 1,767,391.68 and 379,558.56 is: 569,321.53
Step by Step Solution
- Step 1: Write the proportion equation
1,178,294.88 : 1,767,391.68 = 379,558.56 : x - Step 2: Convert to fraction form
1,178,294.88/1,767,391.68 = 379,558.56/x - Step 3: Cross multiply
1,178,294.88x = 1,767,391.68 × 379,558.56 - Step 4: Simplify right side
1,178,294.88x = 670,828,641,016.78 - Step 5: Solve for x
x = 670,828,641,016.78/1,178,294.88 - Step 6: Final answer
x = 569,321.53
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.