Finding the Fourth Proportional to 1,180,809.20, 1,772,088.60 and 471,346.40
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Solution
The fourth proportional to 1,180,809.20, 1,772,088.60 and 471,346.40 is: 707,368.80
Step by Step Solution
- Step 1: Write the proportion equation
1,180,809.20 : 1,772,088.60 = 471,346.40 : x - Step 2: Convert to fraction form
1,180,809.20/1,772,088.60 = 471,346.40/x - Step 3: Cross multiply
1,180,809.20x = 1,772,088.60 × 471,346.40 - Step 4: Simplify right side
1,180,809.20x = 835,267,582,091.04 - Step 5: Solve for x
x = 835,267,582,091.04/1,180,809.20 - Step 6: Final answer
x = 707,368.80
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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.