Finding the Fourth Proportional to 1,430,893.95, 1,974,203.04 and 857,724.99
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Solution
The fourth proportional to 1,430,893.95, 1,974,203.04 and 857,724.99 is: 1,183,402.36
Step by Step Solution
- Step 1: Write the proportion equation
1,430,893.95 : 1,974,203.04 = 857,724.99 : x - Step 2: Convert to fraction form
1,430,893.95/1,974,203.04 = 857,724.99/x - Step 3: Cross multiply
1,430,893.95x = 1,974,203.04 × 857,724.99 - Step 4: Simplify right side
1,430,893.95x = 1,693,323,282,741.97 - Step 5: Solve for x
x = 1,693,323,282,741.97/1,430,893.95 - Step 6: Final answer
x = 1,183,402.36
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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.