Finding the Fourth Proportional to 1,197,128.29, 1,652,072.18 and 653,299.18
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Solution
The fourth proportional to 1,197,128.29, 1,652,072.18 and 653,299.18 is: 901,572.04
Step by Step Solution
- Step 1: Write the proportion equation
1,197,128.29 : 1,652,072.18 = 653,299.18 : x - Step 2: Convert to fraction form
1,197,128.29/1,652,072.18 = 653,299.18/x - Step 3: Cross multiply
1,197,128.29x = 1,652,072.18 × 653,299.18 - Step 4: Simplify right side
1,197,128.29x = 1,079,297,400,494.81 - Step 5: Solve for x
x = 1,079,297,400,494.81/1,197,128.29 - Step 6: Final answer
x = 901,572.04
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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.