Finding the Fourth Proportional to 1,407,069.29, 2,109,342.49 and 508,299.77
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Solution
The fourth proportional to 1,407,069.29, 2,109,342.49 and 508,299.77 is: 761,993.96
Step by Step Solution
- Step 1: Write the proportion equation
1,407,069.29 : 2,109,342.49 = 508,299.77 : x - Step 2: Convert to fraction form
1,407,069.29/2,109,342.49 = 508,299.77/x - Step 3: Cross multiply
1,407,069.29x = 2,109,342.49 × 508,299.77 - Step 4: Simplify right side
1,407,069.29x = 1,072,178,302,518.23 - Step 5: Solve for x
x = 1,072,178,302,518.23/1,407,069.29 - Step 6: Final answer
x = 761,993.96
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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.