Finding the Fourth Proportional to 1,125,903.60, 1,688,966.28 and 327,192.12
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Solution
The fourth proportional to 1,125,903.60, 1,688,966.28 and 327,192.12 is: 490,820.40
Step by Step Solution
- Step 1: Write the proportion equation
1,125,903.60 : 1,688,966.28 = 327,192.12 : x - Step 2: Convert to fraction form
1,125,903.60/1,688,966.28 = 327,192.12/x - Step 3: Cross multiply
1,125,903.60x = 1,688,966.28 × 327,192.12 - Step 4: Simplify right side
1,125,903.60x = 552,616,457,761.71 - Step 5: Solve for x
x = 552,616,457,761.71/1,125,903.60 - Step 6: Final answer
x = 490,820.40
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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.