Finding the Fourth Proportional to 1,291,125.60, 1,934,355.60 and 1,104,501.60
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Solution
The fourth proportional to 1,291,125.60, 1,934,355.60 and 1,104,501.60 is: 1,654,756.79
Step by Step Solution
- Step 1: Write the proportion equation
1,291,125.60 : 1,934,355.60 = 1,104,501.60 : x - Step 2: Convert to fraction form
1,291,125.60/1,934,355.60 = 1,104,501.60/x - Step 3: Cross multiply
1,291,125.60x = 1,934,355.60 × 1,104,501.60 - Step 4: Simplify right side
1,291,125.60x = 2,136,498,855,168.96 - Step 5: Solve for x
x = 2,136,498,855,168.96/1,291,125.60 - Step 6: Final answer
x = 1,654,756.79
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.