Finding the Fourth Proportional to 1,342,235.80, 1,852,365.06 and 769,312.96
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Solution
The fourth proportional to 1,342,235.80, 1,852,365.06 and 769,312.96 is: 1,061,697.54
Step by Step Solution
- Step 1: Write the proportion equation
1,342,235.80 : 1,852,365.06 = 769,312.96 : x - Step 2: Convert to fraction form
1,342,235.80/1,852,365.06 = 769,312.96/x - Step 3: Cross multiply
1,342,235.80x = 1,852,365.06 × 769,312.96 - Step 4: Simplify right side
1,342,235.80x = 1,425,048,447,309.18 - Step 5: Solve for x
x = 1,425,048,447,309.18/1,342,235.80 - Step 6: Final answer
x = 1,061,697.54
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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.