Finding the Fourth Proportional to 1,125,423.82, 1,688,140.07 and 272,494.06
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Solution
The fourth proportional to 1,125,423.82, 1,688,140.07 and 272,494.06 is: 408,742.14
Step by Step Solution
- Step 1: Write the proportion equation
1,125,423.82 : 1,688,140.07 = 272,494.06 : x - Step 2: Convert to fraction form
1,125,423.82/1,688,140.07 = 272,494.06/x - Step 3: Cross multiply
1,125,423.82x = 1,688,140.07 × 272,494.06 - Step 4: Simplify right side
1,125,423.82x = 460,008,136,962.02 - Step 5: Solve for x
x = 460,008,136,962.02/1,125,423.82 - Step 6: Final answer
x = 408,742.14
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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.