Finding the Fourth Proportional to 1,085,148.80, 1,624,612.80 and 1,054,044.80
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Solution
The fourth proportional to 1,085,148.80, 1,624,612.80 and 1,054,044.80 is: 1,578,045.95
Step by Step Solution
- Step 1: Write the proportion equation
1,085,148.80 : 1,624,612.80 = 1,054,044.80 : x - Step 2: Convert to fraction form
1,085,148.80/1,624,612.80 = 1,054,044.80/x - Step 3: Cross multiply
1,085,148.80x = 1,624,612.80 × 1,054,044.80 - Step 4: Simplify right side
1,085,148.80x = 1,712,414,673,853.44 - Step 5: Solve for x
x = 1,712,414,673,853.44/1,085,148.80 - Step 6: Final answer
x = 1,578,045.95
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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.