Finding the Fourth Proportional to 1,408,178.24, 1,943,388.96 and 804,553.28
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Solution
The fourth proportional to 1,408,178.24, 1,943,388.96 and 804,553.28 is: 1,110,342.37
Step by Step Solution
- Step 1: Write the proportion equation
1,408,178.24 : 1,943,388.96 = 804,553.28 : x - Step 2: Convert to fraction form
1,408,178.24/1,943,388.96 = 804,553.28/x - Step 3: Cross multiply
1,408,178.24x = 1,943,388.96 × 804,553.28 - Step 4: Simplify right side
1,408,178.24x = 1,563,559,962,083.79 - Step 5: Solve for x
x = 1,563,559,962,083.79/1,408,178.24 - Step 6: Final answer
x = 1,110,342.37
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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.