Finding the Fourth Proportional to 1,162,158.99, 1,603,969.75 and 968,259.20
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Solution
The fourth proportional to 1,162,158.99, 1,603,969.75 and 968,259.20 is: 1,336,356.28
Step by Step Solution
- Step 1: Write the proportion equation
1,162,158.99 : 1,603,969.75 = 968,259.20 : x - Step 2: Convert to fraction form
1,162,158.99/1,603,969.75 = 968,259.20/x - Step 3: Cross multiply
1,162,158.99x = 1,603,969.75 × 968,259.20 - Step 4: Simplify right side
1,162,158.99x = 1,553,058,454,703.22 - Step 5: Solve for x
x = 1,553,058,454,703.22/1,162,158.99 - Step 6: Final answer
x = 1,336,356.28
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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.