Finding the Fourth Proportional to 1,342,405.62, 1,852,195.68 and 791,143.98
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Solution
The fourth proportional to 1,342,405.62, 1,852,195.68 and 791,143.98 is: 1,091,587.70
Step by Step Solution
- Step 1: Write the proportion equation
1,342,405.62 : 1,852,195.68 = 791,143.98 : x - Step 2: Convert to fraction form
1,342,405.62/1,852,195.68 = 791,143.98/x - Step 3: Cross multiply
1,342,405.62x = 1,852,195.68 × 791,143.98 - Step 4: Simplify right side
1,342,405.62x = 1,465,353,462,014.01 - Step 5: Solve for x
x = 1,465,353,462,014.01/1,342,405.62 - Step 6: Final answer
x = 1,091,587.70
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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.