Finding the Fourth Proportional to 1,343,730.92, 1,854,348.58 and 740,118.92
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Solution
The fourth proportional to 1,343,730.92, 1,854,348.58 and 740,118.92 is: 1,021,364.06
Step by Step Solution
- Step 1: Write the proportion equation
1,343,730.92 : 1,854,348.58 = 740,118.92 : x - Step 2: Convert to fraction form
1,343,730.92/1,854,348.58 = 740,118.92/x - Step 3: Cross multiply
1,343,730.92x = 1,854,348.58 × 740,118.92 - Step 4: Simplify right side
1,343,730.92x = 1,372,438,468,333.13 - Step 5: Solve for x
x = 1,372,438,468,333.13/1,343,730.92 - Step 6: Final answer
x = 1,021,364.06
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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.