Finding the Fourth Proportional to 1,408,134.97, 2,111,269.21 and 509,459.76
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Solution
The fourth proportional to 1,408,134.97, 2,111,269.21 and 509,459.76 is: 763,852.00
Step by Step Solution
- Step 1: Write the proportion equation
1,408,134.97 : 2,111,269.21 = 509,459.76 : x - Step 2: Convert to fraction form
1,408,134.97/2,111,269.21 = 509,459.76/x - Step 3: Cross multiply
1,408,134.97x = 2,111,269.21 × 509,459.76 - Step 4: Simplify right side
1,408,134.97x = 1,075,606,705,181.25 - Step 5: Solve for x
x = 1,075,606,705,181.25/1,408,134.97 - Step 6: Final answer
x = 763,852.00
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.