Finding the Fourth Proportional to 1,197,973.12, 1,653,190.20 and 654,107.20
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Solution
The fourth proportional to 1,197,973.12, 1,653,190.20 and 654,107.20 is: 902,661.00
Step by Step Solution
- Step 1: Write the proportion equation
1,197,973.12 : 1,653,190.20 = 654,107.20 : x - Step 2: Convert to fraction form
1,197,973.12/1,653,190.20 = 654,107.20/x - Step 3: Cross multiply
1,197,973.12x = 1,653,190.20 × 654,107.20 - Step 4: Simplify right side
1,197,973.12x = 1,081,363,612,789.44 - Step 5: Solve for x
x = 1,081,363,612,789.44/1,197,973.12 - Step 6: Final answer
x = 902,661.00
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1.5x scale
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.