Finding the Fourth Proportional to 1,125,812.66, 1,688,722.41 and 272,880.95
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Solution
The fourth proportional to 1,125,812.66, 1,688,722.41 and 272,880.95 is: 409,322.26
Step by Step Solution
- Step 1: Write the proportion equation
1,125,812.66 : 1,688,722.41 = 272,880.95 : x - Step 2: Convert to fraction form
1,125,812.66/1,688,722.41 = 272,880.95/x - Step 3: Cross multiply
1,125,812.66x = 1,688,722.41 × 272,880.95 - Step 4: Simplify right side
1,125,812.66x = 460,820,176,070.89 - Step 5: Solve for x
x = 460,820,176,070.89/1,125,812.66 - Step 6: Final answer
x = 409,322.26
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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.