Finding the Fourth Proportional to 1,114,343.08, 1,537,929.45 and 655,435.75
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Solution
The fourth proportional to 1,114,343.08, 1,537,929.45 and 655,435.75 is: 904,581.33
Step by Step Solution
- Step 1: Write the proportion equation
1,114,343.08 : 1,537,929.45 = 655,435.75 : x - Step 2: Convert to fraction form
1,114,343.08/1,537,929.45 = 655,435.75/x - Step 3: Cross multiply
1,114,343.08x = 1,537,929.45 × 655,435.75 - Step 4: Simplify right side
1,114,343.08x = 1,008,013,942,507.84 - Step 5: Solve for x
x = 1,008,013,942,507.84/1,114,343.08 - Step 6: Final answer
x = 904,581.33
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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.