Finding the Fourth Proportional to 1,125,530.48, 1,688,299.71 and 272,602.70
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Solution
The fourth proportional to 1,125,530.48, 1,688,299.71 and 272,602.70 is: 408,905.02
Step by Step Solution
- Step 1: Write the proportion equation
1,125,530.48 : 1,688,299.71 = 272,602.70 : x - Step 2: Convert to fraction form
1,125,530.48/1,688,299.71 = 272,602.70/x - Step 3: Cross multiply
1,125,530.48x = 1,688,299.71 × 272,602.70 - Step 4: Simplify right side
1,125,530.48x = 460,235,059,355.22 - Step 5: Solve for x
x = 460,235,059,355.22/1,125,530.48 - Step 6: Final answer
x = 408,905.02
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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.