Finding the Fourth Proportional to 1,212,393.99, 1,673,677.59 and 702,910.47
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Solution
The fourth proportional to 1,212,393.99, 1,673,677.59 and 702,910.47 is: 970,349.17
Step by Step Solution
- Step 1: Write the proportion equation
1,212,393.99 : 1,673,677.59 = 702,910.47 : x - Step 2: Convert to fraction form
1,212,393.99/1,673,677.59 = 702,910.47/x - Step 3: Cross multiply
1,212,393.99x = 1,673,677.59 × 702,910.47 - Step 4: Simplify right side
1,212,393.99x = 1,176,445,501,415.37 - Step 5: Solve for x
x = 1,176,445,501,415.37/1,212,393.99 - Step 6: Final answer
x = 970,349.17
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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.