Finding the Fourth Proportional to 1,331,582.08, 1,837,695.23 and 815,333.44
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Solution
The fourth proportional to 1,331,582.08, 1,837,695.23 and 815,333.44 is: 1,125,228.70
Step by Step Solution
- Step 1: Write the proportion equation
1,331,582.08 : 1,837,695.23 = 815,333.44 : x - Step 2: Convert to fraction form
1,331,582.08/1,837,695.23 = 815,333.44/x - Step 3: Cross multiply
1,331,582.08x = 1,837,695.23 × 815,333.44 - Step 4: Simplify right side
1,331,582.08x = 1,498,334,373,547.49 - Step 5: Solve for x
x = 1,498,334,373,547.49/1,331,582.08 - Step 6: Final answer
x = 1,125,228.70
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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.