Finding the Fourth Proportional to 1,235,280.68, 1,853,070.51 and 436,398.74
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Solution
The fourth proportional to 1,235,280.68, 1,853,070.51 and 436,398.74 is: 654,650.92
Step by Step Solution
- Step 1: Write the proportion equation
1,235,280.68 : 1,853,070.51 = 436,398.74 : x - Step 2: Convert to fraction form
1,235,280.68/1,853,070.51 = 436,398.74/x - Step 3: Cross multiply
1,235,280.68x = 1,853,070.51 × 436,398.74 - Step 4: Simplify right side
1,235,280.68x = 808,677,635,015.32 - Step 5: Solve for x
x = 808,677,635,015.32/1,235,280.68 - Step 6: Final answer
x = 654,650.92
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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.