Finding the Fourth Proportional to 1,352,212.65, 1,865,982.43 and 740,248.14
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Solution
The fourth proportional to 1,352,212.65, 1,865,982.43 and 740,248.14 is: 1,021,503.55
Step by Step Solution
- Step 1: Write the proportion equation
1,352,212.65 : 1,865,982.43 = 740,248.14 : x - Step 2: Convert to fraction form
1,352,212.65/1,865,982.43 = 740,248.14/x - Step 3: Cross multiply
1,352,212.65x = 1,865,982.43 × 740,248.14 - Step 4: Simplify right side
1,352,212.65x = 1,381,290,023,080.18 - Step 5: Solve for x
x = 1,381,290,023,080.18/1,352,212.65 - Step 6: Final answer
x = 1,021,503.55
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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.