Finding the Fourth Proportional to 1,343,064.68, 1,853,373.28 and 739,413.80
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Solution
The fourth proportional to 1,343,064.68, 1,853,373.28 and 739,413.80 is: 1,020,360.23
Step by Step Solution
- Step 1: Write the proportion equation
1,343,064.68 : 1,853,373.28 = 739,413.80 : x - Step 2: Convert to fraction form
1,343,064.68/1,853,373.28 = 739,413.80/x - Step 3: Cross multiply
1,343,064.68x = 1,853,373.28 × 739,413.80 - Step 4: Simplify right side
1,343,064.68x = 1,370,409,779,783.26 - Step 5: Solve for x
x = 1,370,409,779,783.26/1,343,064.68 - Step 6: Final answer
x = 1,020,360.23
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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.