Finding the Fourth Proportional to 1,203,210.24, 1,660,430.40 and 719,795.52
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Solution
The fourth proportional to 1,203,210.24, 1,660,430.40 and 719,795.52 is: 993,317.98
Step by Step Solution
- Step 1: Write the proportion equation
1,203,210.24 : 1,660,430.40 = 719,795.52 : x - Step 2: Convert to fraction form
1,203,210.24/1,660,430.40 = 719,795.52/x - Step 3: Cross multiply
1,203,210.24x = 1,660,430.40 × 719,795.52 - Step 4: Simplify right side
1,203,210.24x = 1,195,170,363,191.81 - Step 5: Solve for x
x = 1,195,170,363,191.81/1,203,210.24 - Step 6: Final answer
x = 993,317.98
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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.