Finding the Fourth Proportional to 1,132,192.80, 1,562,437.68 and 648,747.48
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Solution
The fourth proportional to 1,132,192.80, 1,562,437.68 and 648,747.48 is: 895,278.18
Step by Step Solution
- Step 1: Write the proportion equation
1,132,192.80 : 1,562,437.68 = 648,747.48 : x - Step 2: Convert to fraction form
1,132,192.80/1,562,437.68 = 648,747.48/x - Step 3: Cross multiply
1,132,192.80x = 1,562,437.68 × 648,747.48 - Step 4: Simplify right side
1,132,192.80x = 1,013,627,507,557.05 - Step 5: Solve for x
x = 1,013,627,507,557.05/1,132,192.80 - Step 6: Final answer
x = 895,278.18
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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.