Finding the Fourth Proportional to 1,168,155.76, 1,611,750.24 and 684,461.08
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Solution
The fourth proportional to 1,168,155.76, 1,611,750.24 and 684,461.08 is: 944,377.75
Step by Step Solution
- Step 1: Write the proportion equation
1,168,155.76 : 1,611,750.24 = 684,461.08 : x - Step 2: Convert to fraction form
1,168,155.76/1,611,750.24 = 684,461.08/x - Step 3: Cross multiply
1,168,155.76x = 1,611,750.24 × 684,461.08 - Step 4: Simplify right side
1,168,155.76x = 1,103,180,309,960.66 - Step 5: Solve for x
x = 1,103,180,309,960.66/1,168,155.76 - Step 6: Final answer
x = 944,377.75
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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.