Finding the Fourth Proportional to 1,047,180.13, 1,569,316.74 and 477,168.19
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Solution
The fourth proportional to 1,047,180.13, 1,569,316.74 and 477,168.19 is: 715,089.99
Step by Step Solution
- Step 1: Write the proportion equation
1,047,180.13 : 1,569,316.74 = 477,168.19 : x - Step 2: Convert to fraction form
1,047,180.13/1,569,316.74 = 477,168.19/x - Step 3: Cross multiply
1,047,180.13x = 1,569,316.74 × 477,168.19 - Step 4: Simplify right side
1,047,180.13x = 748,828,028,362.50 - Step 5: Solve for x
x = 748,828,028,362.50/1,047,180.13 - Step 6: Final answer
x = 715,089.99
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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.