Finding the Fourth Proportional to 1,204,699.08, 1,662,454.30 and 688,420.14
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Solution
The fourth proportional to 1,204,699.08, 1,662,454.30 and 688,420.14 is: 950,002.41
Step by Step Solution
- Step 1: Write the proportion equation
1,204,699.08 : 1,662,454.30 = 688,420.14 : x - Step 2: Convert to fraction form
1,204,699.08/1,662,454.30 = 688,420.14/x - Step 3: Cross multiply
1,204,699.08x = 1,662,454.30 × 688,420.14 - Step 4: Simplify right side
1,204,699.08x = 1,144,467,021,896.97 - Step 5: Solve for x
x = 1,144,467,021,896.97/1,204,699.08 - Step 6: Final answer
x = 950,002.41
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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.