Finding the Fourth Proportional to 1,413,811.73, 2,120,398.19 and 402,911.99
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Solution
The fourth proportional to 1,413,811.73, 2,120,398.19 and 402,911.99 is: 604,276.96
Step by Step Solution
- Step 1: Write the proportion equation
1,413,811.73 : 2,120,398.19 = 402,911.99 : x - Step 2: Convert to fraction form
1,413,811.73/2,120,398.19 = 402,911.99/x - Step 3: Cross multiply
1,413,811.73x = 2,120,398.19 × 402,911.99 - Step 4: Simplify right side
1,413,811.73x = 854,333,851,171.16 - Step 5: Solve for x
x = 854,333,851,171.16/1,413,811.73 - Step 6: Final answer
x = 604,276.96
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1.5x scale
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.