Finding the Fourth Proportional to 1,119,671.19, 1,679,506.75 and 371,717.19
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Solution
The fourth proportional to 1,119,671.19, 1,679,506.75 and 371,717.19 is: 557,575.77
Step by Step Solution
- Step 1: Write the proportion equation
1,119,671.19 : 1,679,506.75 = 371,717.19 : x - Step 2: Convert to fraction form
1,119,671.19/1,679,506.75 = 371,717.19/x - Step 3: Cross multiply
1,119,671.19x = 1,679,506.75 × 371,717.19 - Step 4: Simplify right side
1,119,671.19x = 624,301,529,696.03 - Step 5: Solve for x
x = 624,301,529,696.03/1,119,671.19 - Step 6: Final answer
x = 557,575.77
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1.5x scale
Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.