Finding the Fourth Proportional to 1,126,801.14, 1,554,977.70 and 617,492.58
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Solution
The fourth proportional to 1,126,801.14, 1,554,977.70 and 617,492.58 is: 852,135.45
Step by Step Solution
- Step 1: Write the proportion equation
1,126,801.14 : 1,554,977.70 = 617,492.58 : x - Step 2: Convert to fraction form
1,126,801.14/1,554,977.70 = 617,492.58/x - Step 3: Cross multiply
1,126,801.14x = 1,554,977.70 × 617,492.58 - Step 4: Simplify right side
1,126,801.14x = 960,187,191,815.47 - Step 5: Solve for x
x = 960,187,191,815.47/1,126,801.14 - Step 6: Final answer
x = 852,135.45
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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.