Finding the Fourth Proportional to 1,163,107.08, 1,604,892.15 and 646,793.28
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Solution
The fourth proportional to 1,163,107.08, 1,604,892.15 and 646,793.28 is: 892,465.94
Step by Step Solution
- Step 1: Write the proportion equation
1,163,107.08 : 1,604,892.15 = 646,793.28 : x - Step 2: Convert to fraction form
1,163,107.08/1,604,892.15 = 646,793.28/x - Step 3: Cross multiply
1,163,107.08x = 1,604,892.15 × 646,793.28 - Step 4: Simplify right side
1,163,107.08x = 1,038,033,457,744.75 - Step 5: Solve for x
x = 1,038,033,457,744.75/1,163,107.08 - Step 6: Final answer
x = 892,465.94
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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.